Common plant names.
Below is a list of names of plants listed by common name. Click the letter of the alphabet to see a list of plants with common names beginning with that letter. Alternatively click here to see the plants listed alphabetically by botanic name.
Common names: ABCDEFGHIJKLMNOPQRSTUVWXYZ
| Common name | Botanic name |
|---|---|
| Aconite, Winter aconite | Eranthis hyemalis 'Guinea Gold' |
| Adam's needle | Yucca filamentosa 'Golden Sword' |
| African Bermuda grass | Cynodon incompletus |
| African blackwood, Mpingo, Grenadilla, historically classified as African ebony | Dalbergia melanoxylon |
| African daisy | Arctotis |
| African daisy | Arctotis 'Flame' |
| African daisy | Arctotis 'Red Devil' |
| African Daisy, Rain Daisy, Cape Marigold, Osteospermum | Dimorphotheca pluvialis |
| African lily | Agapanthus 'Midnight Star' |
| African love grass, Weeping love grass | Eragrostis curvula |
| African mallow, Cape mallow, dwarf hibiscus, false mallow | Anisodontea capensis |
| African Oil Palm | Elaeis guineensis |
| African olive | Olea africana |
| African Olive | Olea europaea subsp. cuspidata |
| African violet | Saintpaulia 'Moondust' |
| Agapanthus, African lily | Agapanthus africanus 'Bressingham White' |
| Agapanthus, African blue lily, African lily | Agapanthus africanus |
| Ageratum | Ageratum 'Adriatic' |
| Ageratum, Floss flower | Ageratum 'Blue Mink' |
| Ageratum, Floss flower, Mexican paintbrush | Ageratum 'Blue Danube' |
| Agrimony | Agrimonia |
| Agrimony | Agrimonia eupatoria |
| Alder, Black Alder | Alnus glutinosa |
| Alder buckthorn | Frangula alnus |
| Alder buckthorn | Rhamnus frangula |
| Alexanders | Smyrnium olusatrum |
| Alexandra palm, King palm | Ptychosperma alexandrae |
| Allspice, Jamaica pepper | Pimenta dioica |
| Aloe vera, Barbados aloe | Aloe |
| Aloe vera | Aloe vera |
| Alpine azalea, Trailing azalea | Loiseleuria procumbens |
| Alpine cat's tail | Phleum alpinum |
| Alpine foxtail | Alopecurus borealis |
| Alpine lady's mantle, Lady's mantle | Alchemilla alpina |
| Alpine meadow grass | Poa alpina |
| Alpine poppy, Dwarf poppy, Poppy | Papaver alpinum |
| Alpine poppy, Rhaetian Alps poppy, Dwarf poppy, Poppy | Papaver alpinum subsp. rhaeticum |
| Alpine primula | Primula marginata |
| Alpine rush | Juncus alpinoarticulatus |
| Alpine squill | Scilla bifolia |
| Alpine strawberry, Woodland strawberry | Fragaria versca |
| Alpine wallflower | Erysimum alpinum |
| Alum root | Heuchera cylindrica |
| Alum root | Heuchera cylindrica 'Greenfinch' |
| Alum root, Coral bells | Heuchera |
| Alyssum | Alyssum |
| Alyssum | Alyssum maritimum 'Carpet of Snow' |
| Alyssum | Alyssum maritimum 'Golf Mix' |
| Alyssum | Alyssum maritimum 'Little Dorrit' |
| Alyssum | Alyssum maritimum 'Minimum' |
| Alyssum | Alyssum maritimum 'Oriental Night' |
| Alyssum | Alyssum maritimum 'Rosie O'Day' |
| Alyssum | Alyssum maritimum 'Royal Carpet' |
| Alyssum | Alyssum maritimum 'Snow Carpet' |
| Alyssum | Alyssum maritimum 'Snow Crystals' |
| Alyssum | Alyssum maritimum 'Snow Drift' |
| Alyssum | Alyssum maritimum 'Wonderland' |
| Alyssum | Alyssum saxatile var. compactum |
| Alyssum | Alyssum saxatile |
| Alyssum | Alyssum saxatile var. compactum 'Gold Dust' |
| Alyssum, Sweet alyssum | Alyssum maritimum |
| Alyssum, Sweet alyssum | Alyssum orientale |
| Amaranthus | Amaranthus 'Molten Fire' |
| Amaranthus, Love-lies-bleeding, Tassel flower | Amaranthus caudatus |
| Amaryllis, Horseman's star | Amaryllis |
| Amaryllis | Hippeastrum |
| Amaryllis | Hippeastrum 'Benfica' |
| Amaryllis | Hippeastrum 'Chistmas Gift' |
| Amaryllis | Hippeastrum 'Dancing Queen' |
| Amaryllis | Hippeastrum 'Lady Jane' |
| Amaryllis | Hippeastrum 'Maestro' |
| Amaryllis | Hippeastrum 'Orange Sovereign' |
| Amaryllis | Hippeastrum Spider Group 'Evergreen' |
| Amaryllis | Hippeastrum 'Magic Green' |
| American beech | Fagus grandifolia |
| American blue-eyed grass | Sisyrinchium montanum |
| American Boneset, March Sage | Eupatorium perfoliatum |
| American fox sedge, Common fox sedge | Carex vulpinoidea |
| American garlic | Allium unifolium |
| American heath aster | Aster ericoides |
| American lime, Basswood | Tilia americana |
| American mahonia, Mahonia, Oregan grape | Mahonia aquifolium |
| American marram | Ammophila breviligulata |
| American needle grass | Stipa neesiana |
| American pondweed | Potamogeton epihydrus |
| American skink cabbage | Lysichiton americanus |
| American slough grass | Beckmannia syzigachne |
| American trout lily, Mahogany fawn lily | Erythronium revolutum |
| American violet, Sweet white violet | Viola blanda |
| Anemone | Anemone blanda 'Blue Star' |
| Anemone | Anemone blanda 'Radar' |
| Anemone, Garden anemone | Anemone coronaria De Caen Group The Bride |
| Anemone | Anemone x hybrida 'Honorine Jobert' |
| Anemone, Windflower | Anemone x hybrida 'Königin Charlotte' ('Queen Charlotte') |
| Anemone, Windflower | Anemone x hybrida 'Margarette' |
| Anemone | Anemone x hybrida 'Elegance' |
| Anemone | Anemone multifida |
| Anemone | Anemone coronaria De Caen Group 'The Bride' |
| Angel Hair | Macrochloa tenacissima |
| Angel wings, Sea cabbage | Senecio candidans 'Angel Wings' |
| Angel's tears | Brugmansia suaveolens |
| Angel's trumpet, Trumpet flower, Horn of plenty, Golden Angel's trumpet | Brugmansia aurea |
| Angel's trumpets, Datura | Brugmansia arborea 'Knightii' |
| Angel's trumpets, Tree datura | Brugmansia |
| Angels' fishing rod | Dierama pulcherrimum |
| Angular Solomon's-seal | Polygonatum odoratum |
| Anise Hyssop | Agastache foeniculum |
| Annual beard grass | Polypogon monspeliensis |
| Annual meadow grass | Poa annua |
| Annual vernalgrass | Anthoxanthum aristatum |
| Antwerp hollyhock, Fig-leaved hollyhock, Hollyhock | Alcea ficifolia |
| Apothecary's rose | Rosa gallica 'Versicolor' |
| Apothecary's rose, Old red damask, Red rose of Lancaster, Crimson damask rose, French rose | Rosa gallica var. officinalis |
| Apple | Malus domestica 'Elstar' |
| Apple | Malus domestica 'Alison's Orange' |
| Apple | Malus domestica 'Annie Elizabeth' |
| Apple | Malus domestica 'Arthur Turner' |
| Apple | Malus domestica 'Beauty of Bath' |
| Apple | Malus domestica 'Blenheim Orange' |
| Apple | Malus domestica 'Bolero' |
| Apple | Malus domestica 'Bountiful' |
| Apple | Malus domestica 'Bramley' |
| Apple | Malus domestica 'Charles Ross' |
| Apple | Malus domestica 'Charlotte' |
| Apple | Malus domestica 'Chiver's Delight' |
| Apple | Malus domestica 'Crawley Beauty' |
| Apple | Malus domestica 'Crispin' |
| Apple | Malus domestica 'Discovery' |
| Apple | Malus domestica 'Egremont Russet' |
| Apple | Malus domestica 'Ellison's Orange' |
| Apple | Malus domestica 'Emneth Early' |
| Apple | Malus domestica 'Fiesta' |
| Apple | Malus domestica 'Flamenco' |
| Apple | Malus domestica 'Gavin' |
| Apple | Malus domestica 'George Cave' |
| Apple | Malus domestica 'Glory of England' |
| Apple | Malus domestica 'Greensleeves' |
| Apple | Malus domestica 'Herefordshire Beefing' |
| Apple | Malus domestica 'Howgate Wonder' |
| Apple | Malus domestica 'James Grieve' |
| Apple | Malus domestica 'Keswick Codlin' |
| Apple | Malus domestica 'Kidd's Orange Red' |
| Apple | Malus domestica 'King of the Pippins' |
| Apple | Malus domestica 'Lanes Prince Albert' |
| Apple | Malus domestica 'Laxton's Superb' |
| Apple | Malus domestica 'Lord Derby' |
| Apple | Malus domestica 'Newton Wonder' |
| Apple | Malus domestica 'Ploka' |
| Apple | Malus domestica 'Spartan' |
| Apple | Malus domestica 'Sunset' |
| Apple | Malus domestica 'Suntan' |
| Apple | Malus domestica 'The Queen' |
| Apple | Malus domestica 'Waltz' |
| Apple | Malus domestica 'Worcester Pearmain' |
| Apple | Malus domestica 'Braeburn' |
| Apple | Malus domestica 'Tommy White' |
| Apple | Malus domestica 'Ambassy' |
| Apple | Malus domestica 'Lord Lambourne' |
| Apple | Malus domestica 'Reverend W. Wilks' |
| Apple | Malus domestica 'St. Edmund's Pippin' |
| Apple | Malus domestica 'Falstaff' |
| Apple | Malus domestica 'Katy' |
| Apple | Malus domestica 'Meridian' |
| Apple | Malus domestica 'Pinova' |
| Apple | Malus domestica 'Queen Cox' |
| Apple | Malus domestica 'Saturn' |
| Apple | Malus domestica 'Winter Gem' |
| Apple | Malus domestica 'Ashmead's Kernel' |
| Apple | Malus domestica 'Golden Delicious' |
| Apple | Malus domestica 'Royal Gala' |
| Apple | Malus domestica 'Adams Pearmain' |
| Apple | Malus domestica 'Veitch's Perfection' |
| Apple mint, Mint, Round-leaved mint | Mentha rotundiflora |
| Apple mint, Round-leaved mint, Woolly mint | Mentha suaveolens |
| Apple, Orchard apple | Malus domestica |
| Apricot | Prunus armeniaca |
| Aquilegia, Columbine | Aquilegia vulgaris var. stellata 'Nora Barlow' (Barlow series Series) |
| Argentinian vervain | Verbena bonariensis |
| Armstrong's Whipcord Hebe | Hebe armstrongii |
| Arrow bamboo | Pseudosasa japonica |
| Arrowhead | Sagittaria sagittifolia |
| Artemisia, Western mugwort | Artemisia ludoviciana |
| Arum lily | Zantedeschia aethiopica 'Crowborough' |
| Arum lily | Zantedeschia aethiopica 'Green Goddess' |
| Arum lily | Zantedeschia aethiopica 'Little Gem' |
| Ash | Fraxinus |
| Ash, Common ash | Fraxinus excelsior |
| Asian birch | Betula utilis var. jaquemontii |
| Asian firethorn | Pyracantha rogersiana 'Flava' |
| Asian mahonia, Mahonia | Mahonia japonica |
| Asian skunk-cabbage, White skunk cabbage | Lysichiton camtschatcensis |
| Asparagus | Asparagus officinalis |
| Asparagus | Asparagus officinalis 'Ariane' |
| Asparagus | Asparagus officinalis 'Blacklim' |
| Asparagus | Asparagus officinalis 'Connovers Colossal' |
| Asparagus | Asparagus officinalis 'Jersey Giant' |
| Asparagus | Asparagus officinalis 'Millennium' |
| Asparagus | Asparagus officinalis 'Pacific 2000' |
| Asparagus | Asparagus officinalis 'Purple Pacific' |
| Aspen | Populus tremula |
| Aster | Aster novi-belgii 'Ada Ballard' |
| Aster | Aster novi-belgii 'Crimson Brocade' |
| Aster | Aster novi-belgii 'Eventide' |
| Aster | Aster 'Giant Princess Azure Blue' |
| Aster | Aster 'Giants of California' |
| Aster | Aster novi-belgii 'Lady Frances' |
| Aster | Aster 'Lady in Blue' |
| Aster | Aster novi-belgii 'Rose Bonnet' |
| Aster | Aster 'Single Giant' |
| Aster | Aster novi-belgii 'Winston S Churchill' |
| Aster | Aster cordifolius |
| Aster | Aster cordifolius 'Little Carlow' |
| Aster | Aster ericoides 'Ester' |
| Aster | Aster lateriflorus 'Horizontalis' |
| Aster | Aster novae-angliae 'Lou Williams' |
| Aster | Aster novae-angliae 'Purple Dome' |
| Aster | Aster novi-belgii 'Carnival' |
| Aster | Aster novi-belgii 'Fellowship' |
| Aster | Aster novi-belgii 'Marie Ballard' |
| Astilbe | Astilbe |
| Astilbe | Astilbe 'Fanal' |
| Astrantia | Astrantia major 'Roma' PBR |
| Atlas Cedar, Blue Atlas Cedar | Cedrus atlantica |
| Aubergine, Eggplant, Egg plant, Brinjal | Solanum melongena |
| Aubergine, Egg plant | Solanum melongena 'Long Purple' |
| Aubergine, Eggplant | Solanum melongena 'Moneymaker' |
| Aubergine, Egg plant | Solanum melongena 'Ophelia' |
| Aubergine, Egg plant | Solanum melongena 'Pintung Long' |
| Aubergine, Egg plant, Brinjal | Solanum melongena 'Baby Belle' |
| Aubergine, Eggplant | Solanum melongena 'Scorpio' F1 hybrid |
| Aubretia, Rock cress, Aubrieta, Aubrietia | Aubrieta 'Elsa Lancaster' |
| Aubretia, Rock cress, Aubrieta, Aubrietia | Aubrieta |
| Aubretia, Rock cress, Aubrieta, Aubrietia | Aubrieta Large flowered hybrids |
| Aubretia, Rock cress, Aubrieta, Aubrietia | Aubrieta deltoidea |
| Aubretia, Rock cress, Aubrieta, Aubrietia | Aubrieta 'Argenteovariegata' AGM |
| Aubretia, Rock cress, Aubrieta, Aubrietia | Aubrieta 'Barker’s Double' |
| Aunt aliza | Crocosmia paniculata |
| Auricula, Mountian Cowslip, Alpine auricula, Primula | Primula auricula |
| Australian tree fern, Soft tree fern, Common tree fern | Dicksonia antarctica |
| Australian tree fern, Soft tree fern | Balantium antarcticum |
| Australian tree fern, Cooper's tree fern, Tree fern | Cyathea cooperi |
| Austrian copper | Rosa foetida 'Bicolor' |
| Austrian pine | Pinus nigra var. austriaca |
| Austrian yellow | Rosa foetida |
| Autumn cherry, Winter-flowering cherry, Rosebud cherry | Prunus x subhirtella 'Autumnalis' |
| Autumn crocus | Crocus nudiflorus |
| Autumn daffodil, Winter daffodil | Sternbergia lutea |
| Autumn fern, Japanese painted fern | Dryopteris erythrosora |
| Autumn lady's tresses | Spiranthes spiralis |
| Autumn squill | Scilla autumnalis |
| Avens | Geum |
| Avens | Geum 'Totally Tangerine' PBR |
| Avens | Geum coccineum 'Werner Arends' |
| Avens | Geum 'Coral Tempest' |
| Avens, Geum | Geum 'Lady Stratheden' |
| Awned Canary grass | Phalaris paradoxa |
| Azalea | Azalea 'Bodnant Red' |
| Azalea | Azalea 'Curlew' |
| Azalea | Rhododendron 'Bodnant Red' |
| Azalea | Rhododendron 'Curlew' |
| Azoricus thyme | Thymus caespititius |
| Baby's tears, Mother of thousands, mind-your-own-business, Pollyanna vine, bread and cheese | Soleirolia soleirolii |
| Balkan clary | Salvia nemorosa 'Lubecca' |
| Balloon flower | Platycodon |
| Balsam poplar | Populus balsamifera |
| Baltic rush | Juncus balticus |
| Bamboo | Chusquea culeou |
| Bamboo | Phyllostachys aureosulcata |
| Bamboo | Phyllostachys aureosulcata 'Aureocaulis' |
| Bamboo | Phyllostachys bambusoides |
| Bamboo | Pleioblastus auricomus |
| Bamboo | Arundinaria japonica |
| Bamboo | Himalayacalamus falconeri 'Damarapa' |
| Bamboo | Phyllostachys edulis |
| Bamboo | Phyllostachys 'Shanghai 3' |
| Bamboo | Phyllostachys sulphurea |
| Bamboo | Phyllostachys vivax 'Aureocaulis' |
| Bamboo | Pleioblastus 'Gauntlettii' |
| Bamboo | Thamnocalamus crassinodus 'Kew Beauty' |
| Bamboo | Pleioblastus argenteostriatus f. pumilus |
| Bamboo | Pleioblastus humilis var. pumilus |
| Bamboo | Pleioblastus pumilus |
| Bamboo | Arundinaria 'Gauntlettii' |
| Bamboo | Arundinaria gauntlettii |
| Bamboo | Arundinaria pumila |
| Bamboo Palm | Chrysalidocarpus lutescens |
| Bamboo Palm | Dypsis lutescens |
| Banana, Japanese banana | Musa basjoo |
| Baneberry | Actaea simplex Atropurpurea Group 'Brunette' |
| Banyan tree, Indian banyan tree, strangler fig | Ficus benghalensis |
| Barbary fig, Prickly pear | Opuntia ficus-indica |
| Barberry, Beberis | Berberis |
| Barberry, Beberis | Berberis buxifolia |
| Barberry, Beberis | Berberis buxifolia 'Nana' |
| Barberry, Beberis | Berberis candidula |
| Barberry, Beberis | Berberis candidula 'Telstar' |
| Barberry, Beberis | Berberis darwinii |
| Barberry, Beberis | Berberis darwinii 'Stapehillensis' |
| Barberry, Beberis | Berberis gagnepainii |
| Barberry, Beberis | Berberis gagnepainii 'Klugowskii' |
| Barberry, Beberis | Berberis gagnepainii 'Wallichiana Purpurea' |
| Barberry, Beberis | Berberis hookeri var. latifolia |
| Barberry, Beberis | Berberis hookeri |
| Barberry, Beberis | Berberis x irwinii |
| Barberry, Beberis | Berberis julianae |
| Barberry, Beberis | Berberis media |
| Barberry, Beberis | Berberis media 'Parkjuweel' |
| Barberry, Beberis | Berberis x ottawensis |
| Barberry, Beberis | Berberis x ottawensis 'Purpurea' |
| Barberry, Beberis | Berberis x stenophylla |
| Barberry, Beberis | Berberis thunbergii |
| Barberry, Beberis | Berberis thunbergii 'Atropurpurea' |
| Barberry, Beberis | Berberis thunbergii 'Atropurpurea Nana' |
| Barberry, Beberis | Berberis thunbergii 'Bagatelle' |
| Barberry, Beberis | Berberis thunbergii 'Darts Red Lady' |
| Barberry, Beberis | Berberis thunbergii 'Erecta' |
| Barberry, Beberis | Berberis thunbergii 'Green Carpet' |
| Barberry, Beberis | Berberis thunbergii 'Kobold' |
| Barberry, Beberis | Berberis thunbergii 'Pink Queen' |
| Barberry, Beberis | Berberis verruculosa |
| Barberry, Beberis | Berberis wilsonae |
| Barley | Hordeum vulgare |
| Barren brome | Bromus sterilis |
| Barren Wort | Epimedium x perralchicum |
| Barren Wort | Epimedium x warleyense |
| Barren Wort | Epimedium x perralchicum 'Fröhnleiten' |
| Barrenwort | Epimedium grandiflorum |
| Barrenwort | Epimedium x versicolor 'Sulphureum' |
| Basil, Sweet basil, Common basil | Ocimum basilicum |
| Basil | Ocimum basilicum 'Mrs Burn's' |
| Basil, Purple leafed basil | Ocimum basilicum var. purpurascens 'Purple Ruffles' |
| Basil, Common sweet basil | Ocimum basilicum 'Siam Queen' |
| Basil | Ocimum basilicum 'Sweet Italian' |
| Bay Willow | Salix pentandra |
| Bay, Bay tree, Sweet bay, Bay laurel | Laurus nobilis |
| Beaked tasselweed | Ruppia maritima |
| Bear's breeches | Acanthus mollis |
| Bear's breeches | Acanthus spinosus |
| Bear's breeches | Acanthus mollis 'Rue Ledan' |
| Bearberry cotoneaster | Cotoneaster dammeri |
| Bearded couch | Elymus caninus |
| Bearded fescue | Vulpia ciliata |
| Bearded iris | Iris 'Alcazar' |
| Bearded iris | Iris 'Before the Storm' |
| Bearded iris, Tall bearded iris | Iris 'Ola Kala' |
| Bearded iris | Iris 'Bumblebee Deelite' |
| Bearded iris | Iris 'Agatha Christie' |
| Bearded iris | Iris 'American Patriot' |
| Bearded iris | Iris 'Maid of Orange' |
| Bearded iris, Common German flag | Iris germanica |
| Bedstraw | Galium |
| Bedstraw, Lady's bedstraw | Galium verum |
| Bee orchid | Ophrys apifera |
| Beech | Fagus sylvatica 'Aurea Pendula' |
| Beet | Beta |
| Beet, Beetroot, Chard | Beta vulgaris |
| Beetleweed, Beetle weed, Wandplant | Galax urceolata |
| Beetroot, Garden beet | Beta vulgaris 'Boltardy' |
| Beetroot | Beta vulgaris 'Bulls Blood' |
| Beetroot | Beta vulgaris 'Chioggia' |
| Beetroot | Beta vulgaris 'Baby Action' |
| Beetroot, Garden beet | Beta vulgaris 'Crimson Globe' |
| Beetroot, Garden beet | Beta vulgaris 'Detroit' |
| Beetroot, Garden beet | Beta vulgaris 'Early Wonder' |
| Begonia | Begonia |
| Begonia | Begonia 'Betulia' |
| Begonia | Begonia 'Citrus Showers' |
| Begonia | Begonia DRAGON WING RED ('Bepared' PBR) |
| Begonia | Begonia 'Go-Go' |
| Begonia, Double begonia | Begonia 'Ivanhoe' |
| Begonia | Begonia 'Million kisses romance' |
| Begonia | Begonia 'Stars' |
| Begonia | Begonia x tuberhybrida 'Camelia' |
| Begonia | Begonia 'Cascade' |
| Begonia | Begonia 'Picotee' |
| Begonia | Begonia 'Apricot Shades' |
| Begonia | Begonia 'Dragon Wings' |
| Begonia | Begonia 'Apricot Shades Improved' F1 |
| Bell heather | Erica cinerea |
| Bell pepper, Pepper, Sweet pepper, Capsicum | Capsicum annuum 'Bull Nose' |
| Bell pepper, Pepper, Sweet pepper, Capsicum | Capsicum annuum 'Lany' |
| Bell pepper, Pepper, Sweet pepper, Capsicum | Capsicum annuum 'New Ace F1' |
| Belladonna lily, Amarillo, Jersey lily | Amaryllis belladonna |
| Bellflower, Clustered bellflower | Campanula glomerata 'Superba' |
| Bellflower | Campanula poscharskyana |
| Bellflower | Campanula glomerata 'Alba' |
| Berberis, Barberry | Berberis thunbergii 'Helmon Pillar' |
| Bergamot, Bee Balm, Oswego tea | Monarda |
| Bergamot | Monarda 'Gardenview Scarlet' |
| Bergamot, Bee Balm | Monarda didyma |
| Bergamot, Bee Balm | Monarda didyma 'Cambridge Scarlet' |
| Bergamot, Bee Balm | Monarda didyma 'Cranberry Lace' |
| Bergamot, Bee Balm | Monarda didyma 'Jacob Cline' |
| Bergamote orange | Citrus bergamia |
| Bermuda grass | Cynodon dactylon |
| Beth's poppy | Papaver dubium subsp. lecoqii 'Albiflorum' |
| Bible leaf, Alecost | Tanacetum balsamita |
| Bieberstein's crocus | Crocus speciosus |
| Big bluestem | Andropogon gerardi |
| Big bluestem | Andropogon gerardi 'Weinheim Burgundy' |
| Bilberry, Blueberry, Whortleberry, Huckleberry | Vaccinium myrtillus |
| Bilberry, Blueberry, Whortleberry, Huckleberry | Vaccinium myrtillus 'Concord' |
| Birch | Betula |
| Bird cherry, Native British cherry | Prunus padus |
| Bird cherry | Prunus padus 'Colorata' |
| Bird cherry | Prunus padus var. commutata |
| Bird cherry | Prunus seoulensis |
| Bird's nest fern | Asplenium nidus |
| Bird's nest orchid | Neottia nidus-avis |
| Bird's-foot sedge | Carex ornithopoda |
| Bird-of-paradise flower | Strelitzia reginae |
| Bithynian vetch | Vicia bithynica |
| Biting stonecrop, Common stonecrop | Sedum acre |
| Bitter dock, Broad-leaved dock, Dock leaf | Rumex obtusifolius |
| Bittersweet | Celastrus orbiculatus |
| Black alpine sedge | Carex atrata |
| Black bent | Agrostis gigantea |
| Black bog rush | Schoenus nigricans |
| Black bryony | Tamus communis |
| Black grass, Slender meadow foxtail | Alopecurus myosuroides |
| Black Jetbead | Rhodotypos scandens |
| Black Mondo, Lilyturf | Ophiopogon planiscapus |
| Black mulberry, sycamine tree, common mulberry, Persian mulberry | Morus nigra |
| Black pine | Pinus nigra |
| Black poplar, Wild black poplar | Populus nigra subsp. betulifolia |
| Black salsify, Spanish salsify, Serpent root, Viper's herb, Viper's grass, Black oyster plant | Scorzonera hispanica |
| Black tree fern, mamaku | Sphaeropteris medullaris |
| Black tree fern | Cyanthea medullaris |
| Black turf lily, Ornamental grass | Ophiopogon planiscapus 'Nigrescens' |
| Black Walnut | Juglans hindsii |
| Black-eyed Susan | Rudbeckia fulgida |
| Black-eyed Susan, Coneflower, Rudbeckia | Rudbeckia fulgida var. sullivantii 'Goldsturm' |
| Black-stemmed bamboo, Bamboo | Phyllostachys nigra |
| Blackberry | Rubus fruticosus 'Darts Ambassador' |
| Blackberry | Rubus fruticosus 'Loch Ness' |
| Blackberry, Bramble | Rubus tricolor |
| Blackcurrant, Currant | Ribes nigrum |
| Blackcurrant, Currant | Ribes nigrum 'Baldwin' |
| Blackcurrant, Currant | Ribes nigrum 'Ben Gairn' |
| Blackcurrant, Currant | Ribes nigrum 'Ben Lomond' |
| Blackcurrant, Currant | Ribes nigrum 'Ben Sarek' |
| Blackcurrant, Currant | Ribes nigrum 'Boskoop Giant' |
| Blackcurrant, Currant | Ribes nigrum 'Jet' |
| Blackcurrant, Currant | Ribes nigrum 'Malling Jet' |
| Blackcurrant sage | Salvia microphylla |
| Blackthorn, Sloe, Sloe | Prunus spinosa |
| Bladder nut | Staphylea colchica |
| Bladder sedge | Carex vesicaria |
| Blanket flower | Gaillardia |
| Bleeding heart, Dicentra | Dicentra 'Ivory Hearts' PBR |
| Bleeding heart, Dicentra | Dicentra 'Langtrees' |
| Bleeding heart, Lady in the bath, Dicentra | Dicentra spectabilis |
| Bleeding heart | Dicentra formosa 'Bacchanal' (AGM) |
| Bleeding heart, Lady in the bath, Dicentra | Lamprocapnos spectabilis |
| Bloodroot, Double Canada puccoon | Sanguinaria canadensis f. multiplex |
| Blue bamboo | Himalayacalamus hookerianus |
| Blue corn lily | Aristea ecklonii |
| Blue fescue | Festuca longifolia |
| Blue Hill salvia | Salvia x sylvestris 'Blue Hill' |
| Blue holly | Ilex x meserveae |
| Blue holly, Holly | Ilex x meserveae 'Blue Prince' |
| Blue iris | Iris spuria |
| Blue iris | Iris spuria subsp. halophila |
| Blue lily, African lily, Lily of the Nile | Agapanthus praecox |
| Blue mist flower | Conoclinium coelestinum |
| Blue moor-grass | Sesleria caerulea |
| Blue phlox | Phlox divaricata 'Eco Texas Purple' |
| Blue poppy, Himalayan poppy | Meconopsis x sheldonii |
| Blue star | Amsonia tabernaemontana |
| Blue Switch Grass | Panicum virgatum 'Dallas Blues' |
| Blue vervain | Verbena hastata |
| Blue yucca | Yucca rigida |
| Blue-eyed grass | Sisyrinchium bermudiana |
| Bluebeard | Caryopteris x clandonensis |
| Bluebeard | Caryopteris x clandonensis 'Heavenly Blue' |
| Bluebell | Hyacinthoides non-scripta |
| Bluebell creeper | Sollya heterophylla 'Ultra Blue' |
| Bluebell creeper, Australian bluebell creeper | Billardiera heterophylla |
| Blueberry | Vaccinium corymbosum 'Patriot' |
| Blueberry | Vaccinium corymbosum |
| Blunt flowered rush | Juncus subnodulosus |
| Blunt-leaved pondweed | Potamogeton obtusifolius |
| Body Snatcher Plant, Sundew Plant | Drosera capensis |
| Bog arum, Marsh arum | Calla palustris |
| Bog asphodel | Narthecium ossifragum |
| Bog hair grass | Deschampsia setacea |
| Bog orchid | Hammarbya paludosa |
| Bog pondweed | Potamogeton polygonifolius |
| Bog sage | Salvia uliginosa |
| Bog sedge | Carex limosa |
| Bogbeam | Menyanthes trifoliata |
| Borage | Borago officinalis |
| Borecole, Kale, Curly greens, Curly kale | Brassica oleracea var. acephala Acephala Group 'Dwarf Green Curled' |
| Borecole, Kale, Collard greens | Brassica oleracea Acephala Group |
| Borrer's saltmarsh grass | Puccinellia fasciculata |
| Boston ivy | Parthenocissus tricuspidata 'Veitchii' |
| Bottle sedge | Carex rostrata |
| Bottlebrush | Callistemon |
| Bowden Lily | Nerine bowdenii 'Stefanie' |
| Bowden Lily | Nerine bowdenii 'Stefani' |
| Bowden Lily | Nerine bowdenii 'Stephani' |
| Bower plant, Bower vine, Moreton Bay trumpet jasmine | Pandorea jasminoides |
| Bowles mint | Mentha x villosa |
| Box | Buxus |
| Box | Buxus sempervirens 'Greenpeace' |
| Box elder, ash-leaved maple, boxelder maple, ashleaf maple | Acer negundo |
| Box honeysuckle, Shubby honeysuckle | Lonicera nitida var. fertilis |
| Box, Common box | Buxus sempervirens |
| Boxleaf azara | Azara microphylla |
| Bramble, Blackberry | Rubus |
| Bramble, Blackberry | Rubus 'Little Black Prince' |
| Bramble, Blackberry | Rubus 'Cascade' |
| Bramley apple | Malus domestica 'Bramley's Seedling' |
| Branched bur reed | Sparganium erectum |
| Brass buttons | Cotula |
| Brass buttons | Cotula coronopifolia |
| Bread wheat | Triticum aestivatum |
| Breton fescue | Festuca armoricana |
| Bridal wreath | Francoa appendiculata |
| Bridal wreath | Spiraea nipponica 'June Bride' |
| Bridal wreath | Spiraea nipponica 'Snowmound' |
| Bridal wreath, Foam of May | Spiraea 'Arguta' |
| Bridal wreath, Foam of May | Spiraea x arguta |
| Bristle bent | Agrostis curtisii |
| Bristle club rush | Isolepis setacea |
| Bristle oat | Avena strigosa |
| Bristle sedge | Carex microglochin |
| Bristlecone Fir, Santa Lucia Fir | Abies bracteata |
| Bristly hollyhock | Alcea setosa |
| Bristol rock-cress | Arabis scabra |
| Broad bean | Vicia faba |
| Broad bean | Vicia faba 'Aquadulce Claudia' |
| Broad bean | Vicia faba 'De monica' |
| Broad bean | Vicia faba 'Express' |
| Broad bean | Vicia faba 'Imperial Green Longpod' |
| Broad bean | Vicia faba 'Jubilee Hysor' |
| Broad bean | Vicia faba 'Meteor Vroma' |
| Broad bean | Vicia faba 'Optica' |
| Broad bean | Vicia faba 'The Sutton' |
| Broad leaf thyme | Thymus pulegioides |
| Broad-leaved bamboo | Sasa palmata |
| Broad-leaved bellflower | Campanula lactiflora var. macrantha |
| Broad-leaved cottongrass | Eriophorum latifolium |
| Broad-leaved helleborine | Epipactis helleborine |
| Broad-leaved leek, Black garlic | Allium nigrum |
| Broad-leaved meadow grass | Poa chaixii |
| Broad-leaved pondweed | Potamogeton natans |
| Broad-leaved rush | Juncus planifolius |
| Broad-leaved sedge | Carex siderosticha 'Variegata' |
| Broad-leaved thyme, Menthol plant, Spanish thyme, Indian borage | Plectranthus amboinicus |
| Broadleaf, New Zealand broadleaf | Griselinia littoralis |
| Broccoli, Early purple sprouting broccoli | Brassica oleracea Italica Group |
| Broccoli, Calabrese | Brassica oleracea var. botrytis Italica Group 'Corvet' F1 hybrid |
| Broccoli, Calabrese | Brassica oleracea var. botrytis Botrytis Group 'Italian Sprouting' |
| Broccoli | Brassica oleracea var. botrytis Botrytis Group 'Purple Sprouting' |
| Broccoli | Brassica oleracea var. botrytis Botrytis Group 'White Sprouting' |
| Broccoli | Brassica oleracea var. botrytis Botrytis Group 'Extra Early Rudolph' |
| Brokali, Calabrese, Chinese kale | Brassica oleracea var. italica 'Endeavour' |
| Bronze fennel | Foeniculum vulgare 'Rubrum' |
| Brook thistle, Ornamental thistle, Plume Thistle | Cirsium rivulare 'Atropurpureum' |
| Brooklime | Veronica beccabunga |
| Broom, Common broom | Cytisus scoparius |
| Broom | Genista |
| Broomsedge blue stem, Big blue stem | Andropogon virginicus |
| Brown beak sedge | Rhynchospora fusca |
| Brown bent | Agrostis vinealis |
| Brown bog rush | Schoenus ferrugineus |
| Brown galingale | Cyperus fuscus |
| Brown sedge | Carex disticha |
| Brown's peony | Paeonia brownii |
| Brussels sprout | Brassica oleracea Gemmifera Group |
| Brussels sprout | Brassica oleracea var. gemmifera Gemmifera Group 'Alcazar' F1 hybrid |
| Brussels sprout | Brassica oleracea var. gemmifera Gemmifera Group 'Bedford Darkmar 21' |
| Brussels sprout | Brassica oleracea Gemmifera Group 'Clodius' |
| Brussels sprout | Brassica oleracea var. gemmifera Gemmifera Group 'Evesham Special' |
| Brussels sprout | Brassica oleracea var. gemmifera Gemmifera Group 'Roodnerf - Seven Hills' |
| Brussels sprout | Brassica oleracea var. gemmifera Gemmifera Group 'Montgomery' |
| Buddleia, Butterfly bush | Buddleja |
| Buddleia | Buddleja 'Royal Red' |
| Buddleia | Buddleja alternifolia |
| Buddleia, Summer lilac, butterfly bush | Buddleja davidii |
| Buddleia | Buddleja davidii 'Black Knight' |
| Buddleia | Buddleja davidii 'Darts Ornament White' |
| Buddleia | Buddleja davidii 'Masquerade' |
| Buddleia | Buddleja davidii 'Nanho Blue' |
| Buddleia | Buddleja davidii 'Pink Delight' |
| Buddleia, Butterfly bush | Buddleja davidii 'Royal Red' |
| Buddleja | Buddleja 'Santana' |
| Buddleja | Buddleja 'High Five Purple' |
| Buffalo currant, Clove currant | Ribes odoratum |
| Bugbane | Cimicifuga simplex 'Braunlaub' |
| Bugbane | Cimicifuga simplex 'Brunette' |
| Bugle | Ajuga |
| Bugle | Ajuga reptans |
| Bugle lily | Watsonia borbonica |
| Bulbous Canary grass, Harding grass | Phalaris aquatica |
| Bulbous foxtail | Alopecurus bulbosus |
| Bulbous meadow grass | Poa bulbosa |
| Bulbous rush | Juncus bulbosus |
| Bullwort, Queen Anne's lace, Bishop's flower | Ammi majus |
| Bulrush | Typha latifolia |
| Bunch flowered daffodil | Narcissus tazetta |
| Burnt orchid | Orchis ustulata |
| Busy Lizzie | Impatiens |
| Busy Lizzie | Impatiens 'Double Fiesta Rose' |
| Busy Lizzie | Impatiens omeiana |
| Busy Lizzie | Impatiens walleriana 'Cajun Great Balls of Fire Mix' |
| Busy Lizzie | Impatiens walleriana 'Cajun Mississippi Blues Mix' |
| Busy Lizzie | Impatiens walleriana 'Cajun Spice Box Mix' |
| Busy Lizzie | Impatiens walleriana 'Expo Candy Floss Mix' |
| Busy Lizzie | Impatiens walleriana 'Expo Caribbean Crush Mix' |
| Busy Lizzie | Impatiens walleriana 'Pixie Pink Bicolour' |
| Busy Lizzie | Impatiens walleriana 'Pixie Red' |
| Busy Lizzie | Impatiens walleriana 'Pixie Rose Pink' |
| Busy Lizzie | Impatiens 'Accent' |
| Busy Lizzie | Impatiens 'Fruit Cocktail' |
| Butcher's broom | Ruscus aculeatus |
| Buttercup | Ranunculus |
| Butterfly bush, Buddleia | Buddleja davidii 'Mongo' |
| Butterfly Bush | Buddleja LITTLE LILA ('BotEx 004'PBR) (Butterfly Candy Series) |
| Butterfly Bush | Buddleja LITTLE PINK ('BotEx 005'PBR) (Butterfly Candy Series) |
| Butterfly Bush | Buddleja LITTLE RUBY ('BotEx 006'PBR) (Butterfly Candy Series) |
| Butterfly bush, Buddleia | Buddleja davidii 'Santana' |
| Butterfly Geranium, Rambossie | Pelargonium papilionaceum |
| Butternut squash, Butternut | Cucurbita moschata |
| Butternut squash, Butternut | Cucurbita moschata 'Barbara' |
| Butternut squash, Butternut | Cucurbita moschata 'Hawk' |
| Butternut squash, Butternut | Cucurbita moschata 'Waltham' |
| Cabbage, Kale, Brussel Sprout | Brassica oleracea |
| Cabbage, Spring cabbage | Brassica oleracea Capitata Group |
| Cabbage, Earliana | Brassica oleracea Capitata Group 'Golden Acre' |
| Cabbage | Brassica oleracea Capitata Group 'Greyhound' |
| Cabbage, Savoy cabbage | Brassica oleracea var. sabauda 'Ice King' F1 hybrid |
| Cabbage | Brassica oleracea Capitata Group 'Minicole' F1 hybrid |
| Cabbage | Brassica oleracea Capitata Group 'Offenham' |
| Cabbage, Savoy cabbage | Brassica oleracea var. sabauda 'Ormskirk' |
| Cabbage | Brassica oleracea var. sabauda 'Primo' |
| Cabbage, Red cabbage | Brassica oleracea var. capitata f. rubra 'Red Drumhead' |
| Cabbage, Red cabbage | Brassica oleracea var. capitata f. rubra 'Red Rookie' |
| Cabbage | Brassica oleracea var. sabauda 'Winnigstadt' |
| Cabbage, Chinese cabbage | Brassica rapa var. pekinensis 'Medania' F1 hybrid |
| Cabbage | Brassica oleracea 'Duncan' |
| Cabbage | Brassica oleracea 'Kilaxy' |
| Cabbage Palm | Cordyline |
| Cabbage rose | Rosa x centifolia |
| Cactus | Parodia formosa |
| Calamondin | x Citrofortunella microcarpa |
| California brome | Bromus carinata |
| California flannel bush | Fremontodendron 'California Glory' |
| California flannel bush | Fremontodendron 'Pacific Sunset' |
| California flannel bush | Fremontodendron californicum |
| California poppy | Eschscholzia californica |
| Californian lilac | Ceanothus |
| Californian lilac | Ceanothus 'Concha' |
| Californian lilac | Ceanothus 'Puget Blue' |
| Calla lily | Zantedeschia |
| Camas | Camassia leichtlinii 'Sacajawea' |
| Camellia | Camellia |
| Camellia | Camellia 'Inbricata Rubra' |
| Camellia | Camellia 'Nagasaki' |
| Camellia | Camellia x williamsii 'Donation' |
| Camomile | Chamaemelum nobile 'Flore Pleno' |
| Campanula | Campanula 'Monic' |
| Campanula | Campanula 'Bussage Blue' |
| Campanula, Milky bellflower | Campanula lactiflora 'Pritchard's Blue' |
| Canada thistle, Creeping thistle | Cirsium arvense |
| Canadian arrowhead | Sagittaria rigida |
| Canadian waterweed, Canadian pond weed | Elodea canadensis |
| Canary date palm, Patio palm | Phoenix canariensis |
| Canary grass | Phalaris canariensis |
| Candelabra primrose | Primula x bulleesiana |
| Candelabra primula | Primula bulleyana subsp. beesiana |
| Candelabra primula | Primula chungensis |
| Candelabra primula | Primula japonica |
| Candelabra primula | Primula japonica 'Postford White' |
| Candelabra primula | Primula prolifera |
| Candelabra primula | Primula bulleyana |
| Candy cane sorrel | Oxalis versicolor |
| Candytuft | Iberis |
| Canna lily | Canna |
| Cannabis | Cannabis sativa |
| Canterbury bell, , Bell flower, Bellflower, Cup and saucer | Campanula |
| Cape daisy, African daisy | Osteospermum |
| Cape fuchsia | Phygelius |
| Cape hyacinth | Galtonia |
| Cape leadwort, lead vine, blue plumbago, blister bush, Cape plumbago | Plumbago auriculata |
| Cape primrose | Streptocarpus |
| Cape-pondweed | Aponogeton distachyos |
| Caraway thyme | Thymus herba-barona |
| Cardinal flower, Lobelia | Lobelia cardinalis |
| Cardinal Flower | Lobelia cardinalis 'Queen Victoria' |
| Cardoon, Artichoke, Globe artichoke | Cynara cardunculus |
| Cardoon, Artichoke, Cardoon | Cynara cardunculus 'Vert de Laon' |
| Carline Thistle | Carlina acaulis |
| Carline Thistle | Carlina acaulis subsp. simplex |
| Carnation | Dianthus 'Arosa' |
| Carnation, Pinks, Pink | Dianthus caryophyllus |
| Carnation sedge | Carex panicea |
| Carob | Ceratonia siliqua |
| Carrot | Daucus carota subsp. sativus 'Autumn King' |
| Carrot | Daucus carota subsp. sativus 'Berlicum' |
| Carrot | Daucus carota subsp. sativus 'Chantenay Red Cored' |
| Carrot | Daucus carota subsp. sativus 'Early Nantes' |
| Carrot | Daucus carota subsp. sativus 'First Pull' |
| Carrot | Daucus carota subsp. sativus 'Fly Away' |
| Carrot | Daucus carota subsp. sativus 'James Scarlet Intermediate' |
| Carrot | Daucus carota subsp. sativus 'Parabelle' |
| Carrot | Daucus carota 'Nantes 2-Early' |
| Carrot | Daucus carota 'Resistafly' |
| Carrot | Daucus carota 'Sugarsnax 54' |
| Cashew Nut | Anacardium occidentale |
| Cassava Tapioca | Manihot esculenta |
| Cast-iron Plant | Aspidistra elatior |
| Cat Thyme | Teucrium marum |
| Cat's ears | Antennaria dioica |
| Cat's ears | Antennaria dioica 'Rubra' |
| Catmint | Nepeta |
| Catmint | Nepeta 'Six Hills Giant' |
| Catmint | Nepeta x faassenii |
| Catmint, Catnip, Cat in Clover | Nepeta cataria |
| Catmint | Nepeta x faassenii 'Kitten Around' |
| Caucasian lime, Crimean lime | Tilia x euchlora |
| Caucasian snowdrop | Galanthus caucasicus |
| Caucasian walnut, Caucasian wingnut | Pterocarya fraxinifolia |
| Caulescent red-hot poker | Kniphofia caulescens |
| Cauliflower, Broccoli, Calabrese | Brassica oleracea Botrytis Group |
| Cauliflower | Brassica oleracea Botrytis Group 'Clemen' |
| Cauliflower | Brassica oleracea Botrytis Group 'Autumn Giant' |
| Cauliflower | Brassica oleracea Botrytis Group 'Clapton' |
| Cauliflower | Brassica oleracea Botrytis Group 'Dok Elgon' |
| Cauliflower | Brassica oleracea Botrytis Group 'Early Feltham' |
| Cauliflower | Brassica oleracea Botrytis Group 'English Winter April Queen' |
| Cauliflower, Brocolli | Brassica oleracea var. botrytis Botrytis Group 'Trixie' |
| Cauliflower | Brassica oleracea Botrytis Group 'Graffiti' |
| Ceanothus, Californian lilac | Ceanothus 'Cascade' |
| Ceanothus | Ceanothus 'Diamond Heights' |
| Ceanothus, Californian lilac | Ceanothus 'Topaze' |
| Ceanothus, Californian lilac | Ceanothus x delileanus 'Topaze' |
| Ceanothus, Californian lilac | Ceanothus arboreus |
| Ceanothus, Californian lilac | Ceanothus arboreus 'Trewithen Blue' |
| Ceanothus, Californian lilac | Ceanothus x delileanus |
| Ceanothus, Californian lilac | Ceanothus x delileanus 'Gloire de Versailles' |
| Cedar, Lebanon cedar, Cedar of Lebanon | Cedrus libani |
| Celandine poppy, Wood poppy | Stylophorum diphyllum |
| Celeriac, Turnip-rooted celery | Apium graveolens var. rapaceum 'Alabaster' |
| Celery | Apium graveolens var. dulce |
| Celery | Apium graveolens var. dulce 'Victoria' |
| Celosia | Celosia argentea var. plumosa 'Kimono Mix' |
| Celosia | Celosia argentea var. spicata 'Venezuela' |
| Century plant, American aloe | Agave americana |
| Chamomile, Dog fennel | Anthemis 'Mrs E C Buxton' |
| Chamomile, Lawn chamomile | Chamaemelum nobile 'Treneague' |
| Chamomile | x Cotanthemis |
| Chasmanthe | Chasmanthe bicolor |
| Chaste tree, vitex, chasteberry, lilac chastetree, monk's pepper | Vitex agnus-castus |
| Cherry | Prunus |
| Cherry | Prunus 'Amanogawa' |
| Cherry | Prunus 'Merton Glory' |
| Cherry, Sweet cherry | Prunus avium 'Fastigiata' |
| Cherry, Sweet cherry | Prunus 'Mount Fuji' |
| Cherry | Prunus avium 'Stella' |
| Cherry | Prunus cerasus 'Maynard' |
| Cherry | Prunus avium 'Celeste'® |
| Cherry | Prunus avium ('Penny'PBR) |
| Cherry | Prunus avium 'Colney' |
| Cherry | Prunus avium 'Summer Sun' |
| Cherry | Prunus avium 'Sweetheart' |
| Cherry | Prunus avium 'Sunburst' |
| Cherry | Prunus avium 'Merchant' |
| Cherry | Prunus 'Jacqueline' |
| Cherry | Prunus avium 'Regina' |
| Cherry laurel, Laurel | Prunus laurocerasus |
| Cherry plum | Prunus cerasifera 'Myrobalan' |
| Chervil | Anthriscus cerefolium |
| Chestnut rush | Juncus castaneus |
| Chickweed | Stellaria media |
| Chicory (UK), Leaf chicory, Endive, Belgian endive, Radicchio, Radichetta | Cichorium intybus var. foliosum |
| Chicory (UK), Leaf chicory, Endive, Belgian endive, Radicchio, Radichetta | Cichorium intybus var. foliosum 'Grumolo Bionda' |
| Chicory, Common chicory | Cichorium intybus |
| Chilean iris | Libertia formosa |
| Chilean lantern tree | Crinodendron hookerianum |
| Chilean rhubarb, Giant Rhubarb | Gunnera tinctoria |
| Chilean wine palm | Jubaea chilensis |
| Chilli | Capsicum 'Basket of Fire' |
| Chilli, Chilli Pepper, Hot Pepper, Bell pepper, Pepper, Sweet Pepper | Capsicum annuum |
| Chilli | Capsicum anuum 'Jalapeno' |
| Chilli | Capsicum anuum 'Scotch Bonnet' |
| Chilli | Capsicum anuum 'Tabasco' |
| Chilli | Capsicum anuum 'Trinidad Moruga Scorpion' |
| Chilli | Capsicum chinense |
| China rose | Rosa chinensis |
| Chinese artichoke, Artichoke | Stachys affinis |
| Chinese Astilbe, Goat's Beard | Astilbe chinensis |
| Chinese broccoli | Brassica oleracea Alboglabra Group |
| Chinese buttrercup | Trollius chinensis |
| Chinese cabbage, Cabbage | Brassica rapa var. pekinensis |
| Chinese elm | Ulmus parvifolia |
| Chinese fan palm, Chinese cabbage palm | Livistona chinensis |
| Chinese fountain grass | Pennisetum alopecuroides 'Hameln' |
| Chinese gooseberry, Kiwi fruit | Actinidia deliciosa |
| Chinese honeysuckle, Poor man's box | Lonicera nitida |
| Chinese juniper | Juniperus chinensis 'Blaauws Variety' |
| Chinese lantern | Physalis alkekengi |
| Chinese meadow rue | Thalictrum delavayi 'Hewitt's Double' |
| Chinese rhubarb | Rheum palmatum var. tanguticum |
| Chinese sage | Salvia miltiorrhiza |
| Chinese white birch | Betula albosinesnis |
| Chinese wisteria, Chinese kidney bean | Wisteria sinensis |
| Chinese witch hazel | Loropetalum chinense |
| Chives | Allium schoenoprasum |
| Chocolate mint, Chocolate peppermint | Mentha x piperita f. citrata 'Chocolate' |
| Chocolate Nut Tree, Cocoa, Cocoa tree | Theobroma cacao |
| Chocolate vine | Akebia quinata |
| Chokeberry | Aronia melanocarpa |
| Chokeberry | Aronia melanocarpa 'Autumn Magic' |
| Christmas berry | Photinia x fraseri 'Canivily' |
| Christmas berry | Photinia x fraseri 'Little Red Robin' |
| Christmas berry | Photinia x fraseri LOUISE 'Mclarlou'PBR |
| Christmas berry | Photinia x fraseri 'Carré Rouge' |
| Christmas box | Sarcococca humilis |
| Christmas cacti, Pork and Beans, Jelly bean plant | Sedum x rubrotinctum |
| Christmas cactus, Crab cactus | Schlumbergera truncata |
| Christmas cactus, Crab cactus | Schlumbergera x buckleyi |
| Christmas cherry, Ornamental orange, Winter cherry, Jerusalem cherry, Ipecac Nightshade, Madeira winter cherry | Solanum pseudocapsicum |
| Christmas cherry | Solanum capsicastrum |
| Christmas rose | Helleborus niger |
| Christmas rose, Lenten rose | Helleborus |
| Chusan palm, Chinese windmill palm, Hemp palm, Hardy windmill palm, Windmill palm, Palm | Trachycarpus fortunei |
| Cidrón | Aloysia citrodora |
| Cilician Fir | Abies cilicica |
| Cineraria | Senecio cineraria 'Silver Dust' |
| Cineraria | Senecio x hybridus |
| Cineraria | Senecio x hybridus 'Silver Dust' |
| Cinnamon | Cinnamomum verum |
| Clary sage | Salvia sclarea |
| Clematis | Clematis 'Buckland Beauty' |
| Clematis | Clematis 'Carnaby' |
| Clematis | Clematis 'Earnest Markham' |
| Clematis | Clematis 'Ernest Markham' |
| Clematis | Clematis 'Etoile Violette' |
| Clematis | Clematis 'Gipsy Queen' |
| Clematis | Clematis 'Honora' |
| Clematis | Clematis 'Jackmanii' |
| Clematis | Clematis 'Jackmanii Superba' |
| Clematis | Clematis 'Josephine' |
| Clematis | Clematis 'Keith Richardson' |
| Clematis | Clematis 'Lady Betty Balfour' |
| Clematis | Clematis 'Madame Julia Correvon' |
| Clematis | Clematis 'Miss Bateman' |
| Clematis | Clematis 'Nelly Moser' |
| Clematis | Clematis 'Niobe' |
| Clematis | Clematis 'Perle d'Azur' |
| Clematis | Clematis 'Polish Spirit' |
| Clematis | Clematis 'The President' |
| Clematis | Clematis 'Ville de Lyon' |
| Clematis | Clematis 'Vyvyan Pennell' |
| Clematis | Clematis alpina 'Albiflora' |
| Clematis | Clematis alpina var. ochotensis 'Blue Giant' |
| Clematis | Clematis alpina 'Burford White' |
| Clematis | Clematis alpina 'Constance' |
| Clematis | Clematis alpina 'Dr Ruppel' |
| Clematis | Clematis alpina var. ochotensis 'Frances Rivis' |
| Clematis | Clematis alpina 'Ocean Pearl' |
| Clematis | Clematis alpina 'Pamela Jackman' |
| Clematis | Clematis alpina 'Ruby' |
| Clematis | Clematis x cartmanii |
| Clematis | Clematis macropetala |
| Clematis | Clematis montana |
| Clematis | Clematis 'Bill MacKenzie' |
| Clematis | Clematis rehderiana |
| Clematis | Clematis rehderiana 'Huldine' |
| Clematis | Clematis tangutica |
| Clematis | Clematis texensis |
| Clematis | Clematis x triternata 'Rubromarginata' |
| Clematis | Clematis viticella 'Etoile Violette' |
| Clematis | Clematis viticella 'Madame Julia Correvon' |
| Clematis | Clematis viticella 'Polish Spirit' |
| Clematis | Clematis 'Purpurea Plena Elegans' |
| Clematis | Clematis viticella 'Ville de Lyon' |
| Clematis | Clematis alpina 'Candy' |
| Clematis | Clematis tangutica 'Bill MacKenzie' |
| Clematis | Clematis orientalis 'Bill MacKenzie' |
| Clematis | Clematis viticella 'Purpurea Plena Elegans' |
| Clematis | Clematis viticella 'Elegans Plena' |
| Clematis | Clematis 'Ocean Pearl' |
| Climbing corydalis | Corydalis |
| Climbing fuchsia | Fuchsia 'Lady Boothby' |
| Climbing hydrangea | Hydrangea petiolaris |
| Close-headed alpine sedge | Carex norvegica |
| Clove tree, Clove | Syzygium aromaticum |
| Club sedge | Carex buxbaumii |
| Coastal plain joe-pyeweed | Eutrochium dubium |
| Cobra lily | Chasmanthe aethiopica |
| Cobra lily | Darlingtonia californica |
| Cockscomb | Celosia cristata |
| Cocksfoot, Cock's foot | Dactylis glomerata |
| Cockspur | Echinochloa crus-galli |
| Coconut palm, Coconut | Cocos nucifera |
| Coffee | Coffea arabica |
| Coleus | Solenostemon KONG RED (Kong Series) |
| Colima Fir | Abies colimensis |
| Colima Fir | Abies religiosa subsp. religiosa |
| Colorado spruce | Picea pungens 'Globosa' |
| Columbine, Granny's bonnet | Aquilegia |
| Columbine, Aquilegia | Aquilegia vulgaris 'Robin' (Songbird series Series) |
| Columbine | Aquilegia alpina |
| Columbine | Aquilegia bertolonii |
| Columbine | Aquilegia chrysantha |
| Columbine | Aquilegia chrysantha 'Yellow Queen' |
| Columbine | Aquilegia fragrans |
| Columbine | Aquilegia scopulorum |
| Columbine | Aquilegia vulgaris var. stellata |
| Columbine | Aquilegia vulgaris 'Adelaide Addison' |
| Columbine, Aquilegia | Aquilegia vulgaris var. stellata 'Blue Barlow' (Barlow series Series) |
| Columbine | Aquilegia vulgaris 'Bluebird' (Songbird series Series) |
| Columbine | Aquilegia vulgaris 'Goldfinch' (Songbird series Series) |
| Columbine | Aquilegia vulgaris 'Magpie' |
| Columbine | Aquilegia vulgaris 'Nivea' |
| Columbine | Aquilegia vulgaris var. stellata 'Ruby Port' |
| Columbine | Aquilegia flabellata 'Georgia' (State series Series) |
| Columbine | Aquilegia 'EarlybirdTM Purple Blue' |
| Columbine | Aquilegia 'EarlybirdTM Red Yellow' |
| Comfrey | Symphytum |
| Common bent | Agrostis capillaris |
| Common box, Box | Buxus sempervirens 'Suffruticosa' |
| Common buckthorn, Purging buckthorn | Rhamnus cathartica |
| Common chamomile, Roman chamomile | Chamaemelum nobile |
| Common club rush | Schoenoplectus lacustris subsp. tabenaemontani |
| Common comfrey, True comfrey | Symphytum officinale |
| Common cord grass | Spartina anglica |
| Common cottongrass | Eriophorum angustifolium |
| Common couch | Elytrigia repens |
| Common duckweed | Lemna minor |
| Common Elder, Elder, Elderberry | Sambucus nigra |
| Common English ivy, Ivy | Hedera helix |
| Common fennel, Fennel, Giant fennel | Foeniculum vulgare |
| Common fig, Fig, Edible fig | Ficus carica 'Digitata' |
| Common Ginger, Ginger | Zingiber officinale |
| Common gum cistus | Cistus grandiflorus |
| Common gum cistus | Cistus x cyprius |
| Common hogweed | Heracleum sphondylium |
| Common hollyhock | Althaea rosea |
| Common Horsetail, Field Horsetail, Mare's tail | Equisetum arvense |
| Common hyssop | Hyssopus officinalis |
| Common ivy | Hedera helix 'Goldchild' |
| Common ivy | Hedera helix 'Gold Harald' |
| Common ivy | Hedera helix 'Golden Child' |
| Common laurustinus | Viburnum tinus |
| Common laurustinus | Viburnum tinus 'Eve Price' |
| Common lilac | Syringa vulgaris |
| Common lilac | Syringa vulgaris 'Sensation' |
| Common lilac | Syringa vulgaris 'Madame Lemoine' |
| Common lime | Tilia x vulgaris |
| Common maidenhair fern, Maidenhair fern | Adiantum aethiopicum |
| Common mallow, Field mallow | Malva sylvestris |
| Common morning glory, Convolvulus | Ipomoea purpurea |
| Common myrtle, Myrtle | Myrtus communis |
| Common nettle, Stinging nettle, Nettle, Stinger | Urtica dioica |
| Common peony, Anomalous peony | Paeonia anomala |
| Common pivet, Wild privet | Ligustrum vulgare |
| Common rasp-fern | Doodia media |
| Common reed | Phragmites australis |
| Common rock rose | Helianthemum nummularium 'Pink Angel' |
| Common rosemary, Rosemary | Rosmarinus officinalis |
| Common rue | Ruta graveolens |
| Common sage, Sage | Salvia officinalis 'Icterina' |
| Common saltmarsh grass | Puccinellia maritima |
| Common sedge | Carex nigra |
| Common spike rush | Eleocharis palustris |
| Common spotted orchid | Dactylorhiza fuchsii |
| Common Stinkhorn | Phallus impudicus |
| Common thyme, Thyme | Thymus vulgaris |
| Common toadflax | Linaria vulgaris |
| Common Valerian | Valeriana officinalis |
| Common wallflower | Cheiranthus cheiri |
| Common wallflower, bleeding heart | Erysimum cheiri |
| Common wallflower, bleeding heart | Erysimum suffruticosum |
| Common water plantain, Water plantain | Alisma plantago-aquatica |
| Common yellow day lily, Yellow day-lily | Hemerocallis lilioasphodelus |
| Common yucca, Adam's needle | Yucca filamentosa |
| Compact brome | Bromus madritensis |
| Compact grape hyacinth | Muscari botryoides |
| Compact Marjoram | Origanum vulgare var. compactum |
| Compact rush | Juncus conglomeratus |
| Coneflower | Echinacea |
| Coneflower | Echinacea purpurea 'Magnus' |
| Coneflower | Echinacea purpurea 'White Lustre' |
| Coneflower, Purple coneflower | Echinacea purpurea 'White Swan' |
| Coneflower | Rudbeckia laciniata 'Herbstsonne' |
| Coneflower, Rudbeckia, Black-eyed susan | Rudbeckia hirta |
| Coneflower, Cut-leaved coneflower, Thimbleweed | Rudbeckia laciniata 'Goldquelle' |
| Coneflower | Echinacea purpurea 'Sunseekers White' |
| Coneflower | Echinacea 'Sunseeker Mineola' |
| Coneflower, Rudbeckia | Rudbeckia hirta 'Tetra Green Eyes' |
| Coneflower, North American daisy, Black-eyed susan | Rudbeckia |
| Confused fescue | Festuca lemanii |
| Convolvulus | Convolvulus cneorum |
| Copper beauty, Witch hazel | Hamamelis x intermedia 'Jelena' |
| Coral bark maple | Acer palmatum 'Sango-kaku' |
| Coral bark maple | Acer 'Senkaki' |
| Coral bark maple | Acer palmatum var. dissectum 'Sango-kaku' |
| Coral Bells, Coral Flower | Heuchera sanguinea 'Firefly' |
| Coral Bells, Coral Flower, Alum Root | Heuchera sanguinea ''Leuchtkäfer'' |
| Coral plant | Berberidopsis corallina |
| Coral plant | Russelia equisetiformis |
| Coral spurge | Euphorbia corallioides |
| Coral-bark maple | Acer palmatum 'Senkaki' |
| Coralberry | Symphoricarpos orbiculatus |
| Cordyline | Cordyline indivisa |
| Cordyline, Cabbage Tree, Torbay Palm | Cordyline australis |
| Coreopsis | Coreopsis 'Yellow Sunray' |
| Coriander | Coriandrum sativum |
| Coriander | Coriandrum sativum 'Morocco' |
| Corkscrew hazel, Harry Lauder's walking stick, Contorted hazel | Corylus avellana 'Contorta' |
| Corkscrew rush | Juncus effusus f. spiralis |
| Corkscrew willow | Salix babylonica var. pekinensis 'Tortuosa' |
| Corky-Fruited Water Dropwort | Oenanthe pimpinelloides |
| Corn cockle | Agrostemma githago |
| Corn lily | Ixia |
| Corn marigold | Chrysanthemum segetum |
| Corn poppy, Shirley poppy, Common poppy, Poppy | Papaver rhoeas |
| Cornelian cherry | Cornus mas |
| Cornflower | Centaurea cyanus |
| Cornstalk dracaena, Striped dracaena, Chinese money tree | Dracaena fragrans |
| Corsican mint, Spanish mint, Rock mint | Mentha requienii |
| Corsican pine | Pinus nigra var. maritima |
| Corsican pine | Pinus nigra subsp. laricio |
| Cosmos | Cosmos bipinnatus |
| Cosmos | Cosmos bipinnatus 'Sensation' |
| Cosmos | Cosmos bipinnatus 'Sonata Pink' |
| Cotoneaster | Cotoneaster conspicuus 'Decorus' |
| Cotoneaster | Cotoneaster splendens 'Sabrina' |
| Cotton deergrass | Trichophorum alpinum |
| Cotton lavender, Lavender cotton | Santolina chamaecyparissus |
| Couch grass, Quitch grass, scutch grass, twitch grass | Elymus repens |
| Courgette | Cucurbita pepo var. giromontina 'All Green Bush' |
| Courgette, Zucchini | Cucurbita pepo 'Afrodite' |
| Courgette, Summer pumpkin | Cucurbita pepo 'Summer Ball' |
| Courgette, Zucchini | Cucurbita pepo 'Gold rush' |
| Courgette | Cucurbita pepo 'Tuscany' |
| Courgette | Cucurbita pepo 'Piccolo' |
| Courgette | Cucurbita pepo 'Zucchini' |
| Courgette | Cucurbita pepo 'Defender' |
| Cow parsley | Anthriscus sylvestris |
| Cow parsley | Anthriscus sylvestris 'Ravenswing' |
| Cowberry, lingonberry, mountain cranberry, partridgeberry | Vaccinium vitis-idea |
| Cowslip | Primula veris |
| Cox apple | Malus domestica 'Cox's Orange Pippin' |
| Coyote willow | Salix exigua |
| Crab apple | Malus |
| Crab apple | Malus domestica 'Comtesse de Paris' |
| Crab apple | Malus 'Crittenden' |
| Crab apple | Malus 'Golden Hornet' |
| Crab apple | Malus 'Harry Baker' |
| Crab apple | Malus 'John Downie' |
| Crab apple | Malus 'Maypole' |
| Crab apple | Malus 'Profusion' |
| Crab apple | Malus 'Royalty' |
| Crab apple | Malus 'Wisley' |
| Crab apple | Malus x macromalus |
| Crab apple | Malus hupehensis |
| Crab apple | Malus toringo 'Scarlett' |
| Crab apple | Malus x robusta 'Red Sentinel' |
| Crab apple | Malus sargentii |
| Crab apple, Pillar Apple | Malus tschonoskii |
| Crab apple 'Everest' | Malus 'Everest' syn 'Evereste' |
| Crab apple, American crab apple | Malus coronaria |
| Crab apple, Wild crab, Apple | Malus sylvestris |
| Crack willow | Salix x fragilis |
| Cranesbill | Geranium |
| Cranesbill, Geranium, Hardy geranium, Cranesbill | Geranium robertianum |
| Cranesbill | Geranium collinum 'Coombland White' |
| Cranesbill | Geranium nodosum |
| Creeping bent | Agrostis stolonifera |
| Creeping Blue Blossom | Ceanothus thyrsiflorus |
| Creeping dogwood | Cornus canadensis |
| Creeping lady's-tresses | Goodyera repens |
| Creeping phlox, Moss phlox | Phlox subulta |
| Creeping savory | Satureja repandra |
| Creeping savory | Satureja spicigera |
| Creeping soft grass | Holcus mollis |
| Creeping Willow | Salix repens |
| Creeping Willow | Salix argyrocarpa |
| Crepping jenny, Moneywort | Lysimachia nummularia 'Aurea' |
| Cress | Lepidium sativum 'Triple Curled' |
| Crested dog's tail, Meadow Grass | Cynosurus cristatus |
| Crested hair grass | Koeleria macrantha |
| Cretan Dittany, Dittany of Crete, Hop Marjoram | Origanum dictamnus |
| Cretan tulip | Tulipa saxatilis |
| Crevice alumroot, Small-flowered alumroot | Heuchera micrantha 'Palace Purple' |
| Crevice alumroot, Small-flowered alumroot | Heuchera micrantha |
| Crimson flag | Hesperantha coccinea 'Major' |
| Crimson flag lily | Schizostylis coccinea 'Major' |
| Crimson Glory Vine | Vitis coignetiae |
| Crisp mallow | Malva verticillata |
| Crocosmia, Montbretia | Crocosmia |
| Crocosmia, Montbretia | Crocosmia 'Emily McKenzie' |
| Crocosmia, Montbretia | Crocosmia 'Lucifer' |
| Crocosmia, Montbretia | Crocosmia x crocosmiiflora |
| Crocosmia, Montbretia | Crocosmia x latifolia 'Lucifer' |
| Crocosmia, Montbretia | Crocosmia 'Vulcan' |
| Crocosmia, Giant montbretia | Crocosmia masoniorum 'Rowallane Yellow' ' |
| Crocosmia, Montbretia | Crocosmia 'Tangerine Queen' |
| Crocosmia, Montbretia | Crocosmia pottsii 'Culzean Pink' |
| Crocosmia, Montbretia | Crocosmia 'Spitfire' |
| Crocosmia, Montbretia | Crocosmia 'Okavango' PBR |
| Crocosmia, Montbretia | Crocosmia 'Walberton Yellow' PBR |
| Crocosmia, Montbretia | Crocosmia 'Honey Angels' |
| Crocus, Early crocus | Crocus tommasinianus |
| Crocus, Hairy crocus | Crocus pulchellus |
| Crossleaf heath, Cross-leaved heath, Heather | Erica tetralix |
| Crown imperial | Fritillaria imperialis 'Lutea' |
| Crown of thorns | Euphorbia milii |
| Crystal anthurium, Strap flower | Anthurium crystallinum |
| Cuban oregano, Broad-leaved thyme, Menthol plant, French thyme, Spanish thyme, Indian borage, Indian mint, Mexican mint | Coleus amboinicus |
| Cuban oregano, Broad-leaved thyme, Menthol plant, Spanish thyme, Indian borage | Coleus amboinicus var. violaceus |
| Cucumber | Cucumis sativus 'Anbar' F1 hybrid |
| Cucumber | Cucumis sativus 'Bedfordshire Prize' |
| Cucumber | Cucumis sativus 'Burpless Tasty Green' |
| Cucumber | Cucumis sativus 'Femscore' F1 hybrid |
| Cucumber | Cucumis sativus 'Masterpiece' |
| Cucumber | Cucumis sativus 'Telegraph' |
| Cucumber | Cucumis sativus 'Marketmore' |
| Cucumber | Cucumis sativus 'Mini Munch' F1 hybrid |
| Cucumber | Cucumis sativus 'Telegraph Improved' |
| Culver's root | Veronicastrum virginicum 'Fascination' |
| Curled pondweed | Potamogeton crispus |
| Curly dock, Yellow dock, Curled dock | Rumex crispus |
| Curly leaf parsley, Parsley | Petroselinum crispum var. crispum |
| Curly leaf parsley, Parsley, French Parsley | Petroselinum crispum Crispum Group |
| Curly waterweed | Lagarosiphon major |
| Curly wood sage, Wood sage, Wood germander | Teucrium scorodonia 'Crispum' |
| Currant, Black Currant, Gooseberry, Redcurrant, Whitecurrant | Ribes |
| Curry plant, Helichrysum | Helichrysum italicum |
| Curved hard grass | Parapholis incurva |
| Curved sedge | Carex maritima |
| Curved wood rush | Luzula arcuata |
| Curved-leaved Spanish dagger | Yucca recurvifolia |
| Cyclamen, Eastern cyclamen, Round-leaved cyclamen | Cyclamen |
| Cyclamen | Cyclamen coum |
| Cyclamen | Cyclamen europaeum |
| Cyclamen | Cyclamen fatrense |
| Cyclamen | Cyclamen neapolitanum |
| Cyclamen | Cyclamen persicum |
| Cyclamen | Cyclamen purpurascens |
| Cyclamen | Cyclamen hederifolium subsp. crassifolium |
| Cyclamen flowered daffodil | Narcissus cyclamineus |
| Cyperus sedge | Carex pseudocyperus |
| Cypress Spurge | Euphorbia cyparissias |
| Cypress Spurge | Euphorbia cyparissias 'Fens Ruby' |
| Daffodil | Narcissus |
| Daffodil | Narcissus 'Bridal Crown' |
| Daffodil | Narcissus 'February Gold' |
| Daffodil | Narcissus 'Jenny' |
| Daffodil | Narcissus 'King Alfred' |
| Daffodil | Narcissus Old pheasant's eye |
| Daffodil | Narcissus 'Rip van Winkle' |
| Daffodil | Narcissus pseudonarcissus |
| Daffodil | Narcissus triandrus 'Thalia' |
| Dahlia | Dahlia |
| Dahlia | Dahlia 'Bishop of Llandaff' |
| Dahlia | Dahlia 'Burlesca' |
| Dahlia | Dahlia 'Hillcrest Royal' |
| Dahlia | Dahlia 'Shandy' |
| Dahlia | Dahlia 'Diablo' |
| Dahlia | Dahlia pinnata |
| Dahlia | Dahlia ('Karma Irene'PBR) |
| Daisy bush | Olearia macrodonta |
| Daisy bush | Olearia nummulariifolia |
| Damson | Prunus domestica subsp. insititia |
| Damson | Prunus domestica subsp. insititia 'Bradley's King' |
| Damson | Prunus domestica subsp. insititia 'Farleigh' |
| Damson | Prunus domestica subsp. insititia 'Merryweather' |
| Damson | Prunus domestica 'Prune Damson' |
| Damson, Plum | Prunus domestica subsp. insititia 'Shropshire Prune' |
| Damson | Prunus inisititia |
| Dandelion, Common Dandelion | Taraxacum officinale |
| Daphne | Daphne mezereum 'Alba' |
| Daphne | Daphne bholua |
| Daphne | Daphne mezereum 'Bowles' Variety' |
| Daphne | Daphne odora 'Aureomarginata' |
| Daphne | Daphne bholua 'Gurkha' |
| Dark mullein | Verbascum nigrum |
| Dark Purple Siberian Melick, Dark Purple Siberian Melic | Melica altissima 'Atropurpurea' |
| Dark red helleborine | Epipactis atrorubens |
| Dark-leaved willow | Salix myrsinifolia |
| Davall's sedge | Carex davalliana |
| Dawn redwood | Metasequoia glyptostroboides |
| Dawyck beech | Fagus sylvatica 'Dawyck Gold' |
| Dawyck beech, Copper beech | Fagus sylvatica 'Dawyck Purple' |
| Daylily, Day lily | Hemerocallis |
| Daylily | Hemerocallis 'Berlin Oxblood' |
| Daylily | Hemerocallis 'Black Plush' |
| Daylily, Flava daylily | Hemerocallis flava |
| Daylily, Orange daylily, Tiger daylily, Ditch daylily | Hemerocallis fulva |
| Daylily | Hemerocallis 'Catherine Woodbery' |
| Daylily | Hemerocallis 'Gentle Shepherd' |
| Daylily | Hemerocallis 'Golden Chimes' |
| Daylily | Hemerocallis 'Stafford' |
| Dead nettle | Lamium |
| Dead nettle | Lamium maculatum 'Purple Dragon' |
| Dead nettle | Lamium maculatum 'Pink Pewter' |
| Dead nettle | Lamium orvala |
| Deadly nightshade, Belladonna, Naughty Man's Cherries | Atropa bennadolla |
| Dear-horn cactus | Aloe arborescens |
| Deciduous camelia | Stewartia pseudocamellia |
| Deergrass | Trichophorum cespitosum |
| Delphinium | Delphinium |
| Delphinium | Delphinium 'Black Knight' |
| Delphinium | Delphinium 'Blue Dawn' |
| Delphinium | Delphinium 'Blue Jay' |
| Delphinium | Delphinium 'Blue Nile' |
| Delphinium | Delphinium 'Constance Rivett' |
| Delphinium | Delphinium 'Faust' |
| Delphinium | Delphinium 'Galahad' |
| Delphinium | Delphinium 'Leonora' |
| Delphinium | Delphinium 'Pacific Hybrids Mixed' |
| Delphinium | Delphinium 'Red Rocket' |
| Delphinium | Delphinium elatum 'King Arthur' |
| Delphinium | Delphinium Belladonna Group 'Bellamosum' |
| Delphinium | Delphinium 'Dark Blue & White Bee' |
| Dense flowered orchid | Neotinea maculata |
| Dense silkybent | Apera interrupta |
| Deodar Cedar | Cedrus deodara 'Aurea' |
| Devil's bit scabious | Succisa pratensis |
| Dianthus, Carnation, Pinks, Pink, Sweet William | Dianthus |
| Dianthus, Carnation, Pink | Dianthus 'Devon Dove' |
| Dianthus, Carnation, Pink | Dianthus 'Doris' |
| Dianthus, Carnation, Pink | Dianthus 'Gold Fleck' |
| Dianthus, Carnation, Pink | Dianthus 'Grans Favourite' |
| Dianthus, Carnation, Pink | Dianthus 'Prudence' |
| Dianthus, Carnation, Pink | Dianthus 'Strawberries & Cream' |
| Dianthus, Carnation, Pink | Dianthus scardicus |
| Dicentra | Dicentra eximia |
| Dicentra | Dicentra formosa |
| Dicentra, Bleeding heart, Lady in the bath, Dicentra | Dicentra spectabilis 'Alba' |
| Dill | Anethum graveolens |
| Dioecious sedge | Carex dioica |
| Distant sedge | Carex distans |
| Dittany, Burning Bush, Candle Plant, Fire Plant | Dictamnus albus |
| Divided sedge | Carex divisa |
| Dog poo plant, Bushman’s hat | Hoodia gordonii |
| Dog rose | Rosa canina |
| Dog violet | Viola riviniana |
| Dog's mercury | Mercurialis perennis |
| Dog's tooth violet | Erythronium californicum 'White Beauty' |
| Dog's tooth violet | Erythronium dens-canis |
| Dog's tooth violet | Erythronium kondo |
| Dogbane, Painted nettle, Scat, Scaredy cat plant | Coleus caninus |
| Dogwood, Red barked dogwood | Cornus alba 'Kesselringii' |
| Dogwood | Cornus alternifolia 'Argentea' |
| Dogwood, Chinese dogwood | Cornus kousa var. chinensis |
| Dogwood | Cornus sanguinea |
| Dogwood | Cornus sanguinea 'Midwinter Fire' |
| Dogwood | Cornus stolonifera 'Flaviramea' |
| Dogwood, Chinese dogwood | Cornus kousa var. chinensis 'China Girl' |
| Dotted sedge | Carex punctata |
| Double daisy | Bellis perennis |
| Double daisy | Bellis perennis 'Monstrosa' |
| Double gean | Prunus avium 'Plena' |
| Double kerria | Kerria japonica 'Pleniflora' |
| Double-flowered Hemp Agrimony | Eupatorium cannabinum f. cannabinum 'Flore Pleno' |
| Douglas Fir, Columbian pine | Pseudotsuga menziesii |
| Downy Japanese maple | Acer japonicum 'Aconitifolium' |
| Downy oat grass | Helictotrichon pubescens |
| Downy willow | Salix lapponum |
| Downy-fruited sedge | Carex filiformis |
| Dragon arum | Dracunculus vulgaris |
| Dragon tree | Dracaena marginata |
| Drooping brome | Bromus tectorum |
| Drooping star of Bethlehem | Ornithogalum nutans |
| Dropwort | Filipendula vulgaris |
| Dropwort | Filipendula vulgaris 'Multiplex' |
| Drumstick allium, Round-headed leek, Bristol onion | Allium sphaerocephalon |
| Drumstick primula | Primula denticulata |
| Duck potato | Sagittaria latifolia |
| Duckweed | Lemna |
| Dune fescue | Vulpia fasciculata |
| Dune lupin | Lupinus chamissonis |
| Durra, Sorghum, Great millet | Sorghum bicolor |
| Dutch lavender | Lavandula x intermedia |
| Dutch rush | Equisetum ramosissimum var. japonicum |
| Dwarf aster | Aster 'Starlight' |
| Dwarf bamboo | Pleioblastus pygmaeus |
| Dwarf birch, Arctic birch | Betula nana |
| Dwarf comfrey, Ornamental Comfrey | Symphytum grandiflorum |
| Dwarf comfrey | Symphytum ibericum |
| Dwarf daffodil | Narcissus 'Jetfire' |
| Dwarf daffodil | Narcissus 'Little Witch' |
| Dwarf daffodil | Narcissus 'Tête-à-Tête' |
| Dwarf daffodil | Narcissus cyclamineus 'Tête-à-Tête' |
| Dwarf eelgrass | Zostera noltei |
| Dwarf gorse | Ulex minor |
| Dwarf meadow rue | Thalictrum minus 'Adiantifolium' |
| Dwarf Morning Glory | Convolvulus tricolor 'Royal Ensign' |
| Dwarf Morning Glory | Convolvulus tricolor |
| Dwarf mountain pine, Dwarf pine, Swiss mountain pine, Drooping cone pine | Pinus mugo |
| Dwarf or Littleleaf lilac | Syringa microphylla |
| Dwarf Oregon grape | Mahonia nervosa |
| Dwarf pine, Pine, Mountain pine, Swiss mountain pine | Pinus mugo 'Mops' |
| Dwarf pine, Mountain pine, Swiss mountain pine | Pinus mugo var. pumilio |
| Dwarf red-hot poker | Kniphofia triangularis |
| Dwarf runner bean, Runner bean | Phaseolus vulgaris 'Hestia' |
| Dwarf rush | Juncus capitatus |
| Dwarf sedge | Carex humilis |
| Dwarf spike rush | Eleocharis parvula |
| Dwarf white lavender, English lavender | Lavandula angustifolia 'Nana Alba' |
| Dwarf white-striped bamboo, Variegated bamboo | Pleioblastus variegatus |
| Dwarf white-striped bamboo, Variegated bamboo | Pleioblastus fortunei 'Variegata' |
| Dwarf zebra grass | Miscanthus sinensis 'Strictus Compactus' |
| Dyers chamomile | Anthemis tinctoria |
| Dyers woodruff | Asperula tinctoria |
| Early Coralroot, Coralroot Orchid | Corallorhiza trifida |
| Early Dutch honeysuckle | Lonicera periclymenum 'Belgica' |
| Early hairgrass | Aira praecox |
| Early marsh orchid | Dactylorhiza incarnata |
| Early meadow grass | Poa infirma |
| Early millet | Milium vernale |
| Early purple orchid | Orchis mascula |
| Early sandgrass | Mibora minima |
| Early spider orchid | Ophrys sphegodes |
| Early star of Bethlehem | Gagea bohemica |
| East Indian oleander, Jamaica South Sea rose, Rose bay | Nerium oleander |
| East Indian oleander, Jamaica South Sea rose, Rose bay | Nerium oleander 'Laurier Rose' |
| Eastern black walnut, Black walnut | Juglans nigra |
| Eastern gladiolus | Gladiolus communis |
| Eastern hemlock | Tsuga canadensis |
| Eastern maple, Paperbark maple, Paper-bark maple | Acer griseum |
| Eastern red cedar | Juniperus virginiana |
| Eastern redbud | Cercis canadensis 'Forest Pansy' |
| Eelgrass | Zostera marina |
| Elaeagnus | Elaeagnus x ebbingei |
| Elaeagnus | Elaeagnus pungens |
| Elaeagnus, Eleagnus | Elaeagnus pungens 'Maculata' |
| Elder, Elderberry | Sambucus nigra 'Black Beauty' |
| Elder | Sambucus nigra 'Thundercloud' |
| Elderberry | Sambucus nigra 'Strait-Laced'®PBR |
| Elephant Apple | Dillenia indica |
| Elephant garlic | Allium ampeloprasum var. ampeloprasum |
| Elephant's ears, Elephant ears | Bergenia crassifolia |
| Elephant's ears, Elephant ears | Bergenia x schmidtii |
| Elephant's ears, Elephant ears, St Patrick's cabbage, Pip squeak plant | Bergenia |
| Elephant's rhubarb, Giant rhubarb, Gunnera | Gunnera manicata |
| Elm | Ulmus |
| Elongated sedge | Carex elongata |
| Encrusted Saxifrage | Saxifraga paniculata |
| English elm, Elm | Ulmus minor var. vulgaris |
| English hawthorn, Hawthorn, Quickthorn, May, Whitethorn, Thorn | Crataegus monogyna |
| English iris | Iris latifolia |
| English lavender | Lavandula 'Little Lady' |
| English lavender | Lavandula angustifolia 'Munstead' |
| English lavender, Old English lavender | Lavandula angustifolia |
| English plantain, Ribwort plantain, Ribleaf | Plantago lanceolata |
| Entire-leaved Cotoneaster | Cotoneaster integrifolius |
| Erman birch, Gold birch | Betula ermanii |
| Esthwaite waterweed | Hydrilla verticillata |
| Estuarine sedge | Carex recta |
| Ethiopian banana | Musa ensete |
| Ethiopian banana, False banana | Musa ensete 'Maurelii' |
| Eucalyptus | Eucalyptus glaucescens |
| Euphorbia | Euphorbia |
| Euphorbia | Euphorbia 'Fens Ruby' |
| Euphorbia, Mrs Robb's bonnet | Euphorbia amygdaloides var. robbiae |
| Euphorbia | Euphorbia cornigera |
| Euphorbia | Euphorbia dulcis 'Chameleon' |
| Euphorbia | Euphorbia lathyris |
| Euphorbia | Euphorbia sikkimensis |
| European beech, Beech, Common beech | Fagus sylvatica |
| European field pansy | Viola arvensis |
| European marram grass | Ammophila arenaria |
| Evening primrose | Oenothera |
| Evening primrose | Oenothera biennis |
| Evergreen bamboo | Pleioblastus |
| Evergreen clematis | Clematis armandii |
| Evergreen honeysuckle | Lonicera japonica 'Halliana' |
| Evergreen magnolia, Southern magnolia, Bullbay, Great laurel-leaved magnolia | Magnolia grandiflora |
| Evergreen Maidenhair | Adiantum venustum |
| Evergreen oak, Holm oak, Holly oak, Maritime oak, Ilex oak | Quercus ilex |
| Everlasting flower | Helichrysum amorginum RUBY CLUSTER ('Blorub'PBR) |
| Everlasting sweet pea | Lathyrus 'Lord Anson's Pea' |
| Fairy ring champignon | Marasmius oreades |
| False acacia, Locust | Robinia pseudoacacia 'Frisia' |
| False acaia, Black locust, common robinia | Robinia pseudoacacia |
| False Aralia, Threadleaf False Aralia | Plerandra elegantissima |
| False bird of paradise, Hanging lobster claw, wild banana | Heliconia rostrata |
| False brome, Wood brome | Brachypodium sylvaticum |
| False castor oil plant, Japanese aralia | Fatsia japonica |
| False castor oil plant, Glossy leaf paper plant | Fatsia |
| False Dittany | Pseudodictamnus mediterraneus |
| False fox sedge | Carex otrubae |
| False Heath, Pichi | Fabiana imbricata |
| False holly | Osmanthus heterophyllus |
| False holly | Osmanthus heterophyllus 'Goshiki' |
| False Lady's-slipper | Epipactis gigantea |
| False mallow | Sidalcea 'Elsie Heugh' |
| False oat grass | Arrhenatherum elatius |
| False privet, Hardy olive, green olive, Jasmine box | Phillyrea latifolia |
| False sedge, Simple bog sedge | Kobresia simpliciuscula |
| False Spikenard | Maianthemum racemosum |
| False twayblade | Liparis |
| False wheat, Darnel, poison darnel, cockle | Lolium temulentum |
| Farrer viburnum | Viburnum farreri |
| Fastigiate beech, Beech | Fagus sylvatica 'Dawyck' |
| Fat duckweed | Lemna gibba |
| Feather grass, Mexican feather grass, Texas needle grass | Stipa tenuissima |
| Feather reed grass | Calamagrostis x acutiflora 'Overdam' |
| Feather reed grass | Calamagrostis x acutiflora |
| Feathertop Grass | Cenchrus longisetus |
| Feathertop Grass | Pennisetum villosum |
| February daphne, Mezereum | Daphne mezereum |
| Fen orchid | Liparis loeselii |
| Fen pondweed | Potamogeton coloratus |
| Fen violet | Viola persicifolia |
| Fen wood rush | Luzula pallidula |
| Fennel, Florence fennel, Sweet fennel | Foeniculum vulgare 'Victorio' |
| Fennel pondweed | Potamogeton pectinatus |
| Fern | Dryopteris 'Cristata The King' |
| Fern | Dryopteris wallichiana |
| Fern | Matteuccia struthiopteris |
| Fern | Polystichum |
| Fern | Polystichum setiferum |
| Fern arum, Zanzibar gem, ZZ plant | Zamioculcas zamiifolia |
| Fern-grass | Catapodium rigidum |
| Fern-leaf yarrow | Achillea filipendulina 'Gold Plate' |
| Fern-leaved beech, Cut-leaf beech | Fagus sylvatica 'Asplenifolia' |
| Fern-leaved clematis, Winter flowering clematis | Clematis cirrhosa var. balearica |
| Fernleaf lavender, Egyptian lavender | Lavandula pinnata |
| Feverfew | Tanacetum parthenium |
| Few-flowered garlic | Allium paradoxum |
| Few-flowered sedge | Carex pauciflora |
| Few-flowered spike rush | Eleocharis quinqueflora |
| Fibrous tussock sedge | Carex appropinquata |
| Field brome | Bromus arvensis |
| Field garlic | Allium oleraceum |
| Field Madder | Sherardia arvensis |
| Field maple | Acer campestre |
| Field mushroom | Agaricus campestris |
| Field rose | Rosa arvensis |
| Field scabious | Knautia |
| Field wood rush | Luzula campestris |
| Fig, Edible fig, Common fig | Ficus carica |
| Fine-leaved sheep's fescue | Festuca filiformis |
| Fingered sedge | Carex digitata |
| Fire flower, Cape honeysuckle | Tecomaria capensis |
| Fish tail palm | Caryota urens |
| Fish-pole bamboo, Golden bamboo | Phyllostachys aurea |
| Five-fingered maidenhair fern | Adiantum pedatum 'Imbricatum' |
| Flag iris, Sweet flag | Acorus calamus |
| Flame creeper | Tropaeolum speciosum |
| Flamingo flower, Tail flower, Laceleaf | Anthurium |
| Flamingo flower, Jack-in-the-pulpit, Scherzer's flamingo plant, Tail flower, Flame plant | Anthurium scherzerianum |
| Flannel bush, Flannelbush | Fremontodendron |
| Flat-leaf parsley, Italian parsley | Petroselinum crispum var. hortense |
| Flat-leaf parsley, Italian parsley, French parsley | Petroselinum crispum var. neapolitanum |
| Flat-leaf parsley | Petroselinum hortense var. hortense |
| Flat-leaf parsley, Italian parsley, Parsley | Petroselinum crispum Neapolitanum Group |
| Flat-sedge | Blysmus compressus |
| Flat-stalked pondweed | Potamogeton friesii |
| Flattened Alexander's foot | Anacyclus pyrethrum var. depressus |
| Flattened meadow grass | Poa compressa |
| Flax | Linum perenne |
| Flax | Linum perenne subsp. alpinum |
| Flea sedge | Carex pulicaris |
| Fleebane | Erigeron |
| Fleebane | Erigeron 'Blue Beauty' |
| Floating bur reed | Sparganium angustifolium |
| Floating club rush | Eleogiton fluitans |
| Floating sweet-grass | Glyceria fluitans |
| Floating water-plantain | Luronium natans |
| Florists' cineraria | Pericallis x hybrida SENETTI LAVENDER BLUE ('Sunseneraibu' PBR) |
| Florists' cineraria | Pericallis x hybrida |
| Floss flower, Ageratum | Ageratum |
| Flower of the Incas, Peruvian Lily | Alstroemeria |
| Flowering cherry | Prunus 'Umineko' |
| Flowering cherry | Prunus serrulata 'Amanogawa' |
| Flowering cherry, Cherry | Prunus serrulata 'Kanzan' |
| Flowering cherry, Japanese flowering cherry, Shirofugen cherry | Prunus serrulata 'Shirofugen' |
| Flowering cherry | Prunus serrulata 'Kojima' |
| Flowering cherry, Ornamental cherry | Prunus serrulata 'Ukon' |
| Flowering cherry | Prunus incisa 'Kojo-no-mai' |
| Flowering cherry, Weeping cherry, cherry | Prunus 'Kiku-Shidare-Zakura' |
| Flowering cherry, Weeping cherry, cherry | Prunus 'Shidare-zakura' |
| Flowering cherry | Prunus serrulata 'Erecta' |
| Flowering cherry | Prunus serrulata 'Ama-na-gawa' |
| Flowering cherry | Prunus serrulata f. erecta |
| Flowering cherry | Prunus 'Geraldinae' |
| Flowering cherry | Prunus serrulata f. geraldiniae |
| Flowering cherry, Weeping cherry, cherry | Prunus serrulata 'Rosea' |
| Flowering cherry, Weeping cherry, cherry | Prunus 'Kiku-Shidare' |
| Flowering cherry, Ornamental cherry | Prunus serrulata 'Grandiflora' |
| Flowering cherry | Prunus serrulata f. grandiflora |
| Flowering cherry | Prunus serrulata f. luteovirens |
| Flowering cherry, Cherry | Prunus 'Sekiyama' |
| Flowering cherry | Prunus serrulata f. purpurascens |
| Flowering cherry | Prunus 'Hisakura' |
| Flowering cherry | Prunus serrulata f. alborosea |
| Flowering currant | Ribes sanguineum 'King Edward VII' |
| Flowering dogwood, American box | Cornus florida |
| Flowering rush | Butomus umbellatus |
| Fly orchid | Ophrys insectifera |
| Foam flower | Tiarella cordifolia |
| Foam flower | Tiarella cordifolia 'Spring Symphony' |
| Forget-me-not | Myosotis |
| Forget-me-not | Myosotis palustris |
| Forget-me-not | Myosotis sylvatica |
| Forget-me-not | Myosotis sylvatica 'Blue Ball' |
| Forget-me-not | Myosotis sylvatica 'Blue Basket' |
| Forget-me-not | Myosotis sylvatica 'Music' |
| Forget-me-not | Myosotis sylvatica 'Royal Blue' |
| Forrest's Taiwan pieris | Pieris formosa var. forrestii |
| Forsythia | Forsythia |
| Forsythia | Forsythia x intermedia 'Lynwood' |
| Forsythia | Forsythia x intermedia 'Spring Glory' |
| Forsythia | Forsythia suspensa |
| Forsythia | Forsythia giraldiana |
| Forsythia | Forsythia 'Mini Gold' |
| Fountain Grass | Pennisetum macrourum |
| Fox and cubs | Pilosella aurantiaca |
| Foxglove | Digitalis |
| Foxglove | Digitalis x valinii ILLUMINATION (Illumination Series) |
| Foxglove | Digitalis 'Suttons Apricot' |
| Foxglove | Digitalis ambigua |
| Foxglove | Digitalis grandiflora |
| Foxglove | Digitalis purpurea 'Camelot Cream' |
| Foxglove | Digitalis purpurea Excelsior hybrids |
| Foxglove | Digitalis purpurea |
| Foxglove | Digitalis purpurea 'Alba' |
| Foxglove | Digitalis x valinii ILLUMINATION APRICOT ('Tmdg1301'PBR) (Illumination Series) |
| Foxglove | Digitalis 'Gigantea' |
| Foxglove | Digitalis purpurea Excelsior Group |
| Foxglove | Digitalis 'Dalmatian Mixed' |
| Foxglove | Digitalis purpurea 'Apricot' |
| Foxglove tree, Princess tree | Paulownia tomentosa |
| Foxtail barley | Hordeum jubatum |
| Foxtail lilies | Eremurus |
| Foxtail lilies | Eremurus 'White Beauty Favourite' PBR |
| Foxtail Lily, King's spear | Eremurus robustus |
| Foxtail Millet, Foxtail Grass | Setaria italica 'Hylander' |
| Fragrant orchid | Gymnadenia conopsea |
| Franchet's Cotoneaster | Cotoneaster franchetii |
| Frangipani | Plumeria |
| Franklin Tree | Franklinia alatamaha |
| French bean | Phaseolus vulgaris 'Primal' |
| French bean, Dwarf French bean | Phaseolus vulgaris 'Maxi' |
| French bean, Fine bean | Phaseolus vulgaris |
| French bean, Fine bean | Phaseolus vulgaris 'Cobra' |
| French bean, Fine bean | Phaseolus vulgaris 'Safari' |
| French lavender, Lavender | Lavandula 'Ballerina' |
| French lavender | Lavandula 'Fathead' |
| French lavender | Lavandula 'Papillion' |
| French lavender, Papillon or butterfly lavender | Lavandula stoechas subsp. pedunculata |
| French lavender | Lavandula stoechas 'Alba' |
| French lavender | Lavandula stoechas 'Kew Red' |
| French lavender | Lavandula 'Anouk' |
| French marigold | Tagetes patula |
| French meadow rue | Thalictrum aquilegiifolium 'Thundercloud' |
| French oat grass | Gaudinia fragilis |
| French tarragon | Artemisia dracunculus var. sativa |
| Fringe cups | Tellima grandiflora |
| Fringe-flowered campion | Silene fimbriata |
| Fringed lavender | Lavandula dentate 'Highdown Prince' |
| Fringed lavender | Lavandula dentate 'Silver Queen' |
| Fringed lavender (green form) | Lavandula dentata |
| Fringed lavender (silver form) | Lavandula dentata var. candicans |
| Fringed lavender, French lavender | Lavandula dentate |
| Fritillary | Fritillaria persica |
| Frog orchid | Coeloglossum viride |
| Frog rush | Juncus ambiguus |
| Frogbit | Hydrocharis morsus-ranae |
| Fuchsia | Fuchsia |
| Fuchsia | Fuchsia 'Shadow Dancers' |
| Fuchsia | Fuchsia 'Sylvia Rose' |
| Fuchsia | Fuchsia magellanica |
| Fuchsia, Lady's eardrops | Fuchsia magellanica 'Riccartonii' |
| Fuchsia | Fuchsia magellanica 'Versicolor' |
| Fuchsia | Fuchsia 'California Dreamers'® |
| Fukien tea tree | Carmona microphylla |
| Full moon maple | Acer japonicum 'Vitifolium' |
| Full moon maple, Japanese maple | Acer shirasawanum |
| Full moon maple, Japanese maple, Golden Shirasawa maple | Acer shirasawanum 'Aureum' |
| Full moon maple, Japanese maple, Shirasawa maple 'Autumn Moon' | Acer shirasawanum 'Autumn Moon' |
| Galingale | Cyperus longus |
| Garden dewberry | Rubus aboriginum |
| Garden strawberry | Fragaria x ananassa |
| Garden tulip | Tulipa gesneriana |
| Gardenia | Gardenia |
| Garland flower, Rose daphne, Sweet-scented daphne | Daphne cneorum |
| Garlic | Allium sativum 'Cristo' |
| Garlic | Allium sativum 'Germinadour' |
| Garlic | Allium sativum 'Printanor' |
| Garlic | Allium sativum 'Provence Wight' |
| Garlic | Allium sativum 'Thermidrome' |
| Garlic | Allium sativum 'Red Duke' |
| Garlic mustard | Sisymbrium alliaria |
| Garlic mustard, Hedge garlic, Poor man's mustard, Garlic root, Jack-by-the-hedge | Alliaria petiolata |
| Gay feathers | Liatris spicata |
| Gay feathers | Liatris spicata 'Kobold' |
| Gazania | Gazania 'Kiss' |
| Gentian | Gentiana |
| Geranium | Geranium 'Ann Folkard' |
| Geranium | Geranium 'Blue Sunrise' |
| Geranium | Geranium 'Carnival Mix' |
| Geranium, Cranesbill | Geranium 'Johnson's Blue' |
| Geranium, Cranesbill | Geranium 'Rozanne' PBR |
| Geranium | Geranium 'Rozanne Gerwat' |
| Geranium | Geranium clarkei 'Kashmir white' |
| Geranium | Geranium endressii |
| Geranium | Geranium phaeum 'Album' |
| Geranium | Geranium phaeum 'Lily Lovell' |
| Geranium | Pelargonium |
| Geranium | Pelargonium 'Atar of Roses' |
| Geranium | Pelargonium 'Bullseye' |
| Geranium | Pelargonium 'Coral Spice' |
| Geranium | Pelargonium 'Decora Lilac' |
| Geranium | Pelargonium 'Moulin Rouge' |
| Geranium | Pelargonium 'Royal Sovereign' |
| Geranium | Pelargonium 'Strawberry Ripple' |
| Geranium | Pelargonium 'White Boar' |
| Geranium | Geranium 'Blue Sybil' |
| Geranium | Pelargonium sidoides |
| Geranium | Geranium wallichianum 'Buxton's Variety' |
| Geranium | Geranium 'Lilac Ice' |
| Geranium, Cranesbill | Geranium 'Blue Cloud' |
| Geranium | Geranium phaeum 'Samobar' |
| Geranium | Geranium phaeum 'Alec's Pink' |
| Geranium, Pelargonium | Pelargonium peltatum 'Tornado White' F1 |
| German chamomile, Chamomile, camomile, Wild chamomile | Matricaria chamomilla |
| German chamomile, Chamomile, camomile, Wild chamomile | Matricaria recutita |
| Germander | Teucrium fruticans |
| Ghost berry | Rubus thibetanus |
| Ghost orchid | Epipogium aphyllum |
| Giant Bellflower | Campanula latifolia |
| Giant Bellflower | Campanula latifolia var. macrantha |
| Giant Bellflower | Campanula latifolia var. macrantha 'Alba' |
| Giant coneflower | Rudbeckia maxima |
| Giant cowslip | Primula florindae |
| Giant daisy, High daisy | Leucanthemella serotina |
| Giant fennel | Ferula communis |
| Giant fescue | Festuca gigantea |
| Giant hogweed | Heracleum mantegazzianum |
| Giant honeysuckle | Lonicera hildebrandiana |
| Giant hyssop | Agastache 'Morello' |
| Giant hyssop | Agastache 'Blackadder' |
| Giant meadow saffron | Colchicum speciosum |
| Giant montbretia | Crocosmia masoniorum |
| Giant pignut | Bunium bulbocastanum |
| Giant reed, Spanish reed | Arundo donax |
| Giant stipa | Stipa |
| Ginger lily, Ornamental ginger, Gingerlily | Hedychium |
| Ginger mint | Mentha x gentilis |
| Ginger mint | Mentha x gentilis 'Variegata' |
| Ginger mint | Mentha x gracilis 'Variegata' |
| Gingerlily, Ornamental ginger, Ginger lily | Hedychium coccineum 'Tara' |
| Gladioli | Gladiolus 'Green Star' |
| Gladioli | Gladiolus 'Maureen' |
| Gladioli | Gladiolus 'Plum Tart' |
| Gladioli | Gladiolus 'Zorro' |
| Gladioli | Gladiolus communis subsp. byzantinus |
| Gladioli | Gladiolus papilio 'David Hills’ |
| Gladioli | Gladiolus papilio 'Ruby’ |
| Glaucous meadow grass | Poa glauca |
| Glaucous sedge | Carex flacca |
| Globe artichoke | Cynara scolymus |
| Globe artichoke, Artichoke | Cynara scolymus 'Purple Globe' |
| Globe artichoke, Artichoke | Cynara scolymus 'Green Globe' |
| Globe thistle | Echinops sphaerocephalus |
| Globe thistle | Echinops bannaticus 'Taplow Blue' |
| Globeflower | Trollius |
| Globeflower | Trollius chinensis 'Golden Queen' |
| Globeflower | Trollius x cultorum |
| Globeflower | Trollius x cultorum 'Feuertroll' |
| Globeflower | Trollius europaeus |
| Glory bush | Tibouchina urvilleana |
| Glory flower | Clerodendron bungei |
| Glory lily | Gloriosa superba |
| Glory-of-the-snow | Chionodoxa forbesii |
| Glory-of-the-snow | Chionodoxa luciliae |
| Goat's beard | Aruncus dioicus |
| Goat's Beard, Meadow Salsify, Oyster Plant, Shepherd's Clock | Tragopogon pratensis |
| Goat's rue | Galega |
| Goats rue | Galega officinalis |
| Godetia | Clarkia |
| Gold orache | Atriplex hortensis |
| Gold tipped marjoram | Origanum vulgare 'Gold Tip' |
| Gold-edged blue plantain lily | Hosta ventricosa 'Aureomarginata' |
| Golden Alexander | Zizea aurea |
| Golden alexanders, Wild parsley | Zizia aurea |
| Golden Alyssum, rock madwort, golden tuft, gold basket, basket of gold | Aurinia saxatilis |
| Golden barrel cactus | Kroenleinia grusonii |
| Golden barrel cactus | Echinocactus grusonii |
| Golden cat grass, Golden oats | Stipa gigantea |
| Golden Chinese timber bamboo | Phyllostachys vivax f. aureocaulis |
| Golden crocus | Crocus chrysanthus |
| Golden crocus | Crocus chrysanthus 'Romance' |
| Golden fescue, Blue fescue | Festuca glauca 'Golden Toupee' |
| Golden greater knapweed | Centaurea macroephala |
| Golden hop | Humulus lupulus 'Aureus' |
| Golden kingcups | Caltha palustris |
| Golden majoram | Origanum aurreum |
| Golden male fern | Dryopteris affinis |
| Golden poplar | Populus x serotina 'Aurea' |
| Golden Pothos, Devil's Ivy | Epipremnum aureum |
| Golden purslane | Portulaca oleracea var. aureum |
| Golden Queen Holly | Ilex aquifolium 'Golden Queen' |
| Golden Queen Holly | Ilex aquifolium 'Aurea Regina' |
| Golden Rain, Voss's laburnum | Laburnum x watereri 'Vossii' |
| Golden rain tree | Koelreuteria paniculata |
| Golden rod | Solidago 'Crown of Rays' |
| Golden rod | Solidago 'Linner Gold' |
| Golden Rod | Solidago ('Little Lemon'PBR) |
| Golden sage | Salvia aurea |
| Golden twig dogwood | Cornus sericea 'Flaviramea' |
| Golden yew | Taxus baccata 'Dovastoniana' |
| Golden yew, English yew, Yew | Taxus baccata 'Dovastonii aurea' |
| Goldencup St John's wort | Hypericum patulum |
| Goldenrods | Solidago |
| Goldenrods | Solidago 'Goldenmosa' |
| Good King Henry, Poor-man's asparagus, Perennial goosefoot | Chenopodium bonus-henricus |
| Gooseberry | Ribes uva-crispa |
| Gooseberry | Ribes uva-crispa 'Invicta' |
| Gorse, Common gorse, Furze | Ulex europaeus |
| Granny's bonnet, Columbine, common columnbine | Aquilegia vulgaris |
| Grape | Vitis vinifera 'Muscat of Alexandria' |
| Grape hyacinth, Blue muscari | Muscari armenaicum |
| Grape hyacinth | Muscari neglectum |
| Grape, Grape vine | Vitis vinifera |
| Grass-leaved iris, Plum tart iris | Iris graminea |
| Grass-wrack pondweed | Potamogeton compressus |
| Great brome | Bromus diandra |
| Great Burnet | Sanguisorba officinalis |
| Great Burnet | Sanguisorba officinalis 'Lum' |
| Great fen sedge, Saw sedge | Cladium mariscus |
| Great mullein | Verbascum thapsus |
| Great soft rush | Juncus pallidus |
| Great sundew | Drosera anglica |
| Great thrift | Armeria pseudarmeria |
| Great thrift | Armeria formosa |
| Great white cherry | Prunus 'Tai Haku' |
| Greater butterfly orchid | Platanthera chlorantha |
| Greater celandine | Chelidonium majus |
| Greater duckweed | Spirodela polyrhiza |
| Greater knapweed | Centaurea scabiosa |
| Greater musk mallow, Hollyhock mallow, Vervain mallow | Malva alcea |
| Greater periwinkle, Quarter | Vinca major |
| Greater pond sedge, Sedge | Carex riparia |
| Greater quaking-grass | Briza maxima |
| Greater red-hot poker | Kniphofia praecox |
| Greater sea kale, Flowering sea kale, heart-leaved colewort | Crambe cordifolia |
| Greater snowdrop | Galanthus elwesii |
| Greater snowdrop | Galanthus elwesii 'Fred's Giant' |
| Greater stitchwort | Stellaria holostea |
| Greater tussock sedge | Carex paniculata |
| Greater wood rush | Luzula maxima |
| Greater wood rush | Luzula sylvatica |
| Greater woodrush | Luzula sylvatica 'Aurea' |
| Greater woodrush | Luzula sylvatica 'Hohe Tatra' |
| Grecian Fir, Greek Fir | Abies cephalonica |
| Greek basil, Bush basil, Basil | Ocimum minimum 'Aristotle' |
| Greek squill | Scilla messeniaca |
| Green alkanet | Pentaglottis sempervirens |
| Green bristle grass | Setaria viridis |
| Green lavender | Lavandula viridis |
| Green winged orchid | Orchis morio |
| Green-flowered helleborine | Epipactis phyllanthes |
| Green-ribbed sedge | Carex binervis |
| Greengage | Prunus domestica subsp. italica 'Cambridge' |
| Grey club rush | Schoenoplectus tabernaemontani |
| Grey hair grass | Corynephorus canescens |
| Grey sage brush | Atriplex halimus |
| Grey sedge | Carex divulsa |
| Grey willow | Salix cinerea subsp. oleifolia |
| Ground elder, Bishop's goutweed, Acheweed, Dog elder, Goat's weed | Aegopodium podagraria |
| Guatemalan leaf sage | Salvia cacaliifolia |
| Guava | Psidium guajava |
| Guelder rose | Viburnum opulus |
| Guensey lily, Bowden Cornish lily | Nerine bowdenii |
| Guernsey lily, Jersey lily | Nerine |
| Guernsey lily | Nerine sarniensis |
| Gum arabic, Three-thorned Acacia | Senegalia senegal |
| Gum tree, Ironbark | Eucalyptus |
| Gunnera | Gunnera |
| Gypsywort | Lycopus europaeus |
| Hair sedge | Carex capillaris |
| Hairlike pondweed | Potamogeton trichoides |
| Hairy bamboo | Sasaella ramosa |
| Hairy brome | Bromopsis ramosa |
| Hairy Chervil | Chaerophyllum hirsutum |
| Hairy crabweed | Fatoua villosa |
| Hairy garlic | Allium subhirsutum |
| Hairy rock rose, Cretan rockrose, Hoary rock-rose | Cistus creticus subsp. creticus |
| Hairy rock rose, Hoary rock-rose, Cretan rockrose | Cistus creticus |
| Hairy sedge | Carex hirta |
| Hairy wood rush | Luzula pilosa |
| Hanging basket sweet pea | Lathyrus 'Sugar 'n' Spice' |
| Hard fern | Blechnum spicant |
| Hard fescue | Festuca brevipila |
| Hard grass | Parapholis strigosa |
| Hard rush | Juncus inflexus |
| Hardy blue-flowered leadwort | Ceratostigma plumbaginoides |
| Hardy fan palm, Dwarf fan palm, European fan palm | Chamaerops humilis |
| Hardy fuchsia | Fuchsia 'Mrs Popple' |
| Hardy fuchsia | Fuchsia magellanica 'Mrs Popple' |
| Hardy geranium | Geranium 'Sirak' |
| Hardy geranium | Geranium 'Nimbus' |
| Hare's-foot sedge | Carex lachenalii |
| Hare's-tail Cottongrass | Eriophorum vaginatum |
| Hare's-tail grass | Lagurus ovatus |
| Hari grass | Koeleria |
| Hart's Tongue Fern | Asplenium scolopendrium |
| Hattie's pincushion, Masterwort | Astrantia |
| Hattie's pincushion, Masterwort | Astrantia major 'Alba' |
| Hattie's pincushion, Masterwort | Astrantia major 'Primadonna' |
| Hattie's pincushion, Masterwort | Astrantia major 'Rosensinfonie' |
| Hattie's pincushion, Masterwort | Astrantia major 'Claret' |
| Hawkweed | Hieracium |
| Hawkweed oxtongue, Hawkweed | Picris hieracioides |
| Hazel | Corylus |
| Hazel | Corylus avellana 'Aurea' |
| Hazel, Cobnut | Corylus avellana |
| Hazelnut | Corylus avellana 'Pearsons Prolific' |
| Heart-leaved houttuvnia | Houttuynia cordata 'Chameleon' |
| Heart-leaved houttuvnia | Houttuynia cordata 'Tricolor' |
| Heartsease | Viola tricolor |
| Heath grass, Common heath grass | Danthonia decumbens |
| Heath rush | Juncus squarrosus |
| Heath spotted orchid | Dactylorhiza maculata |
| Heath wood rush | Luzula multiflora |
| Heather, Common heather, Ling heather | Calluna vulgaris |
| Hebe | Hebe 'Midsummer Beauty' |
| Hebe | Hebe albicans |
| Hebe | Hebe pinguifolia 'Pagei' |
| Hebe | Hebe rakaiensis |
| Hebe | Veronica parviflora |
| Heidebraut purple moor-grass | Molinia caerulea subsp. caerulea 'Heidebraut' |
| Helen's flower | Helenium 'Dunkelpracht' |
| Helichrysum | Helichrysum petiolare |
| Helichrysum | Helichrysum petiolare 'Aureum' |
| Hellebore, Lenten rose | Helleborus x hybridus |
| Hellebore | Helleborus x hybridus 'White Spotterd Lady' |
| Hemlock, Poison hemlock | Conium maculatum |
| Hemlock water dropwort, Water hemlock, Dead man's fingers | Oenanthe crocata |
| Hemp Agrimony, Holy Rope, Water Agrimony, Water Hemp | Eupatorium cannabinum |
| Henbane | Hyoscyamus niger |
| Herb bennet | Geum urbanum |
| Herb paris | Paris polyphylla |
| Herb paris | Paris quadrifolia |
| Hibiscus | Hibiscus 'Petit Orange' |
| Hickory | Carya |
| Highland bent | Agrostis castellana |
| Himalayan balsam | Impatiens glandulifera |
| Himalayan birch | Betula utilis |
| Himalayan cedar, Deodar cedar | Cedrus deodara |
| Himalayan Cotoneaster | Cotoneaster simonsii |
| Himalayan honeysuckle, Pheasent berry | Leycesteria formosa |
| Hoary willow | Salix elaeagnos |
| Hogweed | Heracleum |
| Holly | Ilex 'Golden King' |
| Holly | Ilex 'Golden Queen' |
| Holly | Ilex 'J.C. van Tol' |
| Holly | Ilex x altaclerensis |
| Holly | Ilex x altaclerensis 'Golden King' |
| Holly, Common holly | Ilex aquifolium |
| Holly | Ilex aquifolium 'J.C. van Tol' |
| Holly | Ilex aquifolium 'Polycarpa' |
| Holly leaved naiad | Najas marina |
| Holly-leaved barberry | Mahonia aquifolium 'Smaragd' |
| Hollyberry Cotoneaster | Cotoneaster bullatus |
| Hollyhock | Alcea rosea 'Chater's Double' |
| Hollyhock | Alcea rosea 'Nigra' |
| Hollyhock | Alcea rosea Chater's Double Group 'Chater's Salmon Pink' |
| Hollyhock | Alcea rosea Chater's Double Group 'Chater's Scarlet' |
| Hollyhock | Alcea rosea Chater's Double Group 'Chater's Yellow' |
| Holy grass | Hierochloe odorata |
| Honesty | Lunaria annua |
| Honesty | Lunaria annua 'Corfu Blue' |
| Honey bush | Melianthus major |
| Honey spurge | Euphorbia mellifera |
| Honeybells | Nothoscordum borbonicum |
| Honeysuckle | Lonicera |
| Honeysuckle, Wild honeysuckle, Common honeysuckle, Woodbine | Lonicera periclymenum |
| Honeysuckle | Lonicera periclymenum 'Graham Thomas' |
| Honeysuckle | Lonicera 'Celestial' |
| Honeysuckle, Winter flowering honeysuckle | Lonicera setifera |
| Honeywort | Cerinthe major |
| Honeywort | Cerinthe major 'Purpurascens' |
| Honeywort | Cerinthe major var. purpurascens |
| Hoop petticoat daffodil | Narcissus bulbocodium 'Golden Bells' |
| Hoop petticoat daffodil | Narcissus bulbocodium |
| Hop | Humulus lupulus |
| Horehound | Marrubium vulgare |
| Hornbeam | Carpinus betulus 'Fastigiata' |
| Hornbeam | Carpinus betulus 'Purpureus' |
| Hornbeam, Common hornbeam, Horse beech | Carpinus betulus |
| Horned pondweed | Zannichellia palustris |
| Hornwort | Ceratophyllum demersum |
| Horse Chestnut, Conker tree, Common Horse Chestnut, Baumann's Horse Chestnut | Aesculus hippocastanum |
| Horseradish | Armoracia |
| Horseradish | Armoracia rusticana |
| Horsetail | Equisetum |
| Horseweed, Blood stanch | Conyza canadensis |
| Hosta, Funkia, Plantain lily | Hosta |
| Hosta, Funkia, Plantain lily | Hosta sieboldiana 'Blue Angel' |
| Hosta | Hosta 'August Moon' |
| Hosta | Hosta 'Cracker Crumbs' |
| Hosta, Funkia, Plantain lily | Hosta 'Dream Weaver' |
| Hosta, Funkia, Plantain lily | Hosta 'Fragrant Gold' |
| Hosta | Hosta fortunei 'Francee' |
| Hosta, Funkia, Plantain lily | Hosta 'Golden Medallion' |
| Hosta, Funkia, Plantain lily | Hosta tardiana Tardiana Group 'Halcyon' |
| Hosta, Funkia, Plantain lily | Hosta 'Midas Touch' |
| Hosta, Funkia, Plantain lily | Hosta 'Patriot' |
| Hosta, Funkia, Plantain lily | Hosta 'Magic Island' |
| Hosta, Funkia, Plantain lily | Hosta 'Sum and Substance' |
| Hosta, Gold edged plantain lily | Hosta fortunei var. obscura 'Aureomarginata' |
| Hosta, Golden fortune plantain | Hosta fortunei |
| Hosta, Wavy plantain lily | Hosta undulata var. undulata |
| Hosta | Hosta venusta |
| Hosta | Hosta 'Christmas Tree' |
| Hosta | Hosta tardiana 'El Niño' |
| Hosta | Hosta 'Fire Island' |
| Hosta | Hosta 'Golden Tiara' |
| Hosta | Hosta tardiana 'June' PBR |
| Hosta | Hosta 'Krossa Regal' |
| Hosta | Hosta 'Liberty' |
| Hosta | Hosta 'Orange Marmalade' |
| Hosta | Hosta 'Paradise Puppet' |
| Hosta | Hosta 'Praying Hands' |
| Hosta | Hosta 'Revolution' |
| Hosta | Hosta 'Sagae' |
| Hosta | Hosta 'Shining Tot' |
| Hosta | Hosta 'Stained Glass' |
| Hosta | Hosta 'Touch of Class' |
| Hosta | Hosta fortunei var. aureomarginata |
| Hosta | Hosta plantaginea var. japonica |
| Hosta | Hosta ventricosa |
| Hosta | Hosta 'Blue Cadet' |
| Hosta | Hosta 'Silver Crown' |
| Hosta | Hosta 'Loyalist' |
| Hosta | Hosta 'Blue Wedgewood' |
| Hosta | Hosta 'Gold Edgar' |
| Hosta | Hosta 'Fire and Ice' |
| Hosta | Hosta 'June' |
| Houseleek | Sempervivum textorum |
| Houseleek, Hens and chicks | Sempervivum |
| Hungarian brome | Bromopsis inermis |
| Huntingdom elm, Dutch elm, Chichester elm | Ulmus x hollandica 'Vegeta' |
| Huon's fescue | Festuca huonii |
| Hyacinth | Hyacinthus orientalis |
| Hyacinth lilac | Syringa hyacinthiflora |
| Hybrid rock rose | Cistus x hybridus |
| Hybrid rock rose | Cistus x hybridus var. corbariensis |
| Hydrangea | Hydrangea |
| Hydrangea | Hydrangea 'Lady Fujiyo' |
| Hydrangea | Hydrangea 'Lady Katsuko' |
| Hydrangea | Hydrangea 'Lady Mariko' |
| Hydrangea | Hydrangea 'Lady Nobuko' |
| Hydrangea | Hydrangea 'Lady Taiko Blue' |
| Hydrangea | Hydrangea 'Lady Taiko Pink' |
| Hydrangea, Comon hydrangea, Mophead hydrandea, Hortensias | Hydrangea macrophyllia |
| Hypoestes, Polka-dot plant, Baby's tears, Freckle face | Hypoestes phyllostachya 'Splash White' |
| Ice plant, Stonecrop | Hylotelephium spectabile |
| Ice plant | Sedum spectabile |
| Incense cedar, California incense cedar | Calocedrus decurrens |
| Indian bean tree, Cigar Tree | Catalpa bignonioides |
| Indian bean tree | Catalpa bignonioides 'Aurea' |
| Indian Grass, Blue moor-grass, Purple moor-grass, Purple moor grass | Molinia caerulea |
| Indian Grass | Sorghastrum nutans |
| Indian Grass | Sorghastrum nutans 'Indian Steel' |
| Indian Horse Chestnut | Aesculus indica |
| Indian mallow | Abutilon |
| Indian mallow | Abutilon x suntense |
| Indian shot plant, African arrowroot | Canna indica |
| Indigo woodland sage | Salvia forsskaolii |
| Intermediate Periwinkle | Vinca difformis |
| Intermediate Periwinkle | Vinca difformis subsp. sardoa |
| Interrupted brome | Bromus interruptus |
| Iris | Iris |
| Iris | Iris 'Austrian Sky' |
| Iris | Iris 'Blue Denim' |
| Iris | Iris 'Blue Shimmer' |
| Iris | Iris 'Bright Eyes' |
| Iris | Iris 'Green Spot' |
| Iris | Iris 'Jane Phillips' |
| Iris | Iris 'Kent Pride' |
| Iris | Iris 'Langport Wren' |
| Iris | Iris 'Lemon Flare' |
| Iris | Iris 'Lilliwhite' |
| Iris | Iris 'Little Shadow' |
| Iris | Iris 'Pogo' |
| Iris | Iris 'Pygmy Gold' |
| Iris | Iris 'Space Mist' |
| Iris | Iris florentina |
| Iris | Iris florentina 'Orris' |
| Iris | Iris germanica 'Fit the Bill' |
| Iris, Bearded iris | Iris germanica 'Golden Muffin' |
| Iris | Iris germanica 'Nepalensis' |
| Iris | Iris germanica 'White City' |
| Iris, Yellow flag iris | Iris pseudacorus |
| Iris | Iris pseudacorus 'Variegata' |
| Iris | Iris reticulata |
| Iris | Iris sibirica 'Ruffled Velvet' |
| Iris | Iris sibirica 'Tropic Night' |
| Iris | Iris stylosa |
| Iris | Iris sibirica 'Snow Queen' |
| Iris | Iris 'Blue Rhythm' |
| Iris | Iris 'Midsummer's Night Dream' |
| Iris | Iris 'Black Swan' |
| Iris | Iris 'Katherine Hodgkin' |
| Iris | Iris 'Eyecatcher' |
| Iris | Iris reticulata 'George' |
| Iris | Iris 'Nestucca Rapids' |
| Irish ivy | Hedera helix var. hibernica |
| Irish ivy | Hedera hibernica |
| Irish lady's tresses | Spiranthes romanzoffiana |
| Irish Snowdrop | Galanthus 'Straffan' |
| Irish yew | Taxus baccata 'Fastigiata' |
| Italian Anemone | Anemone 'Mistral ® Rarity' |
| Italian Anemone | Anemone 'Mistral ® Vinato' |
| Italian aster | Aster amellus 'Brilliant' |
| Italian aster | Aster amellus 'Veilchenkonigin' |
| Italian beetroot, Beetroot, Garden beet | Beta vulgaris 'Barbabietola di Chioggia' |
| Italian Bluebell | Hyacinthoides italica |
| Italian buckthorn | Rhamnus alaternus |
| Italian chicory, Radicchio, Red chicory, Leaf chicory | Cichorium intybus 'Palla Rossa' |
| Italian cypress, Cypress | Cupressus sempervirens |
| Italian garlic | Allium pendulinum |
| Italian honeysuckle, Perfoliate honeysuckle | Lonicera caprifolium |
| Italian Lords and Ladies, Cuckoo pint | Arum italicum |
| Italian ryegrass | Lolium multiflorum |
| Itoh peony, Paeony | Paeonia 'Court Jester' |
| Itoh peony, Paeony | Paeonia 'Garden Treasure' |
| Ivy, Canary Island ivy, Variegated ivy | Hedera canariensis 'Variegata' |
| Ivy, Persian ivy | Hedera colchica |
| Ivy | Hedera helix 'Woerneri' |
| Ivy leafed cyclamen, Neapolitan cyclamen, sowbread | Cyclamen hederifolium |
| Ivy-leafed geranium, Trailing geranium | Pelargonium peltatum |
| Ivy-leafed toadflax, Pennywort | Linaria Cymbalaria |
| Ivy-leaved duckweed | Lemna triscula |
| Ivy-leaved toadflax | Cymbalaria muralis |
| Jacob's ladder | Polemonium |
| Jacob's ladder | Polemonium caeruleum var. lacteum |
| Jacob's ladder | Polemonium 'Brise D’Anjou' PBR |
| Jacob's ladder | Polemonium 'Stairway to Heaven' PBR |
| Jade Plant, Money Tree | Crassula ovata |
| Jade Vine | Strongylodon macrobotrys |
| Jalapa | Mirabilis jalapa |
| Japanese Anemone | Anemone x hybrida |
| Japanese anemone, Windflower | Anemone x hybrida 'Max Vogel' |
| Japanese azalea | Azalea japonica |
| Japanese Basil | Perilla frutescens 'Shiso' |
| Japanese blood grass | Imperata cylindrica 'Red Baron' |
| Japanese euonymus | Euonymus japonicus 'Ovatus Aureus' |
| Japanese euonymus | Euonymus japonicus 'Aureus' |
| Japanese flowering cherry | Prunus x yedoensis 'Tsubame' |
| Japanese flowering crab apple, Purple chokeberry, Showy crab apple | Malus x floribunda |
| Japanese forest grass | Hakonechloa macra 'Aureola' |
| Japanese holly | Ilex crenata DARK GREEN ('Icoprins11'PBR) |
| Japanese honeysuckle | Lonicera japonica |
| Japanese iris | Iris ensata |
| Japanese knotweed, Giant knotweed | Fallopia japonica |
| Japanese knotweed, Giant knotweed | Reynoutria japonica |
| Japanese larch | Larix kaempferi |
| Japanese laurel | Aucuba japonica 'Rozannie' |
| Japanese liverleaf | Hepatica nobilis var. japonica |
| Japanese Maple | Acer palmatum |
| Japanese maple | Acer palmatum var. dissectum Dissectum Atropurpureum Group |
| Japanese maple | Acer palmatum 'Atropurpureum' |
| Japanese maple | Acer palmatum 'Bloodgood' |
| Japanese maple | Acer palmatum 'Dissectum' |
| Japanese maple | Acer palmatum 'Dissectum Atropurpureum' |
| Japanese maple | Acer palmatum 'Dissectum Garnet' |
| Japanese maple | Acer palmatum 'Garnet' |
| Japanese maple | Acer palmatum 'Koto-no-ito' |
| Japanese maple | Acer palmatum 'Linearilobum' |
| Japanese maple | Acer palmatum 'Osakazuki' |
| Japanese maple | Acer palmatum 'Palmatifidum' |
| Japanese maple | Acer palmatum 'Red Pygmy' |
| Japanese maple | Acer palmatum 'Seiryu' |
| Japanese maple | Acer palmatum 'Shin-deshojo' |
| Japanese maple | Acer palmatum 'Taylor' |
| Japanese maple | Acer palmatum 'Cinnabarinum' |
| Japanese maple | Acer palmatum ('Firecracker'PBR) |
| Japanese mock orange | Pittosporum tobira |
| Japanese mock orange | Pittosporum tobira 'Nanum' |
| Japanese painted fern | Athyrium niponicum var. pictum |
| Japanese parsley | Cryptotaenia japonica |
| Japanese parsley, Mitsuba, Chinese celery | Oenanthe javanica |
| Japanese plum | Prunus salicina |
| Japanese primula | Primula sieboldii |
| Japanese quince, Flowering quince | Chaenomeles x superba |
| Japanese quince, Maule's quince, Japonica | Chaenomeles japonica |
| Japanese Raisin Tree | Hovenia dulcis |
| Japanese sedge | Carex oshimensis |
| Japanese skimmia | Skimmia japonica |
| Japanese snowball | Viburnum plicatum f. tomentosum 'Pink Beauty' |
| Japanese snowball | Viburnum plicatum f. tomentosum 'Dart's Red Robin' |
| Japanese snowball bush | Viburnum plicatum 'Mariesii' |
| Japanese spotted laurel, Spotted laurel | Aucuba japonica |
| Japanese tree lilac | Syringa reticulata |
| Japanese white pine | Pinus parviflora 'Ogon Janome' |
| Japanese wineberry | Rubus phoenicolasius |
| Jasmine, Jessamine, Common jasmine | Jasminum officinale 'Clotted Cream' |
| Jersey Royals | Solanum tuberosum 'Jersey Royal' |
| Jerusalem artichoke, Artichoke | Helianthus tuberosus |
| Jerusalem artichoke | Helianthus tuberosus 'Fuseau' |
| Jew's Mantle, Japanese rose, Japanese kerria | Kerria japonica |
| Joe Pye Weed | Eupatorium maculatum Atropurpureum Group |
| Joe pye weed | Eupatorium maculatum Atropurpureum Group 'Riesenschirm' |
| Johnson grass | Sorghum halepense |
| Jointed rush | Juncus articulatus |
| Jojoba | Simmondsia chinensis |
| Judas tree 'Bodnant' | Cercis siliquastrum 'Bodnant' |
| Judas tree (white-form) | Cercis siliquastrum f. albida |
| Judas tree, Redbud | Cercis siliquastrum |
| Juniper | Juniperus communis |
| Kaffir lily, coccinea | Schizostylis coccinea |
| Kaffir lily, Scarlet river lily, Crimson flag | Hesperantha coccinea |
| Kale | Brassica oleracea 'Red Russian' |
| Kale, Borecole | Brassica oleracea Acephala Group 'Redbor' |
| Kale, Tuscan cabbage, Tuscan kale, Black cabbage | Brassica oleracea Acephala Group 'Cavolo Nero' |
| Kale, Tuscan cabbage, Tuscan kale, Black cabbage, Borecole | Brassica oleracea Acephala Group 'Nero di Toscana' |
| Kamuro-zasa, Evergreen bamboo, dwarf bamboo | Pleioblastus viridistriatus |
| Karl Foerster feather reed grass | Calamagrostis x acutiflora 'Karl Foerster' |
| Kashmir acanthus, Wild petunia, hardy Persian shield | Strobilanthes wallichii |
| Katsura | Cercidiphyllum japonicum |
| Keeled garlic | Allium carinatum |
| Kentia palm | Howea forsteriana |
| Kentucky coffee tree, Chicot | Gymnocladus dioicus |
| Kerry lily | Simethis planifolia |
| Kidney vetch | Anthyllis vulneraria |
| King Solomon's seal, Solomon's seal | Polygonatum |
| King's Spear | Asphodeline lutea |
| Kiwi fruit | Actinidia deliciosa 'Jenny' |
| Knapweed | Centaurea centaurium |
| Knot weed | Bistorta affinis |
| Knot weed | Bistorta affinis 'Superba' |
| Knotweed | Persicaria amplexicaulis 'Firetail' |
| Knotweed | Persicaria microcephala 'Red Dragon' |
| Knotweed | Polygonum |
| Knotweed | Polygonum affine |
| Kohl rabi | Brassica oleracea Gongylodes Group |
| Kohl rabi | Brassica oleracea var. gongylodes Gongylodes Group 'White Vienna' |
| Korean mint | Agastache pallida x rugosa 'Globetrotter' |
| Korean rock fern | Polystichum tsussimense |
| Kotschy's crocus | Crocus kotschyanus |
| Kowhai | Sophora microphylla 'Sun King' |
| Lady fern | Athyrium filix-femina |
| Lady garlic, Rocambole, Sand leek | Allium scorodoprasum |
| Lady orchid | Orchis purpurea |
| Lady's mantle | Alchemilla |
| Lady's mantle, Garden Lady's Mantle | Alchemilla mollis |
| Lady's mantle | Alchemilla vulgaris |
| Lady's mantle | Alchemilla mollis 'Cream Dream |
| Lady's slipper orchid | Cypripedium calceolus |
| Lady's smock, Cuckoo flower | Cardamine pratensis |
| Lady's smock, Cuckoo flower | Cardamine pratensis subsp. pratensis |
| Lamb's ear | Stachys byzantina 'Silver Carpet' |
| Lapins Cherry, Sweet cherry | Prunus avium 'Lapins' |
| Lapland marsh orchid | Dactylorhiza lapponica |
| Larch | Larix decidua |
| Large yellow sedge | Carex flava |
| Large-flowered waterweed | Egeria densa |
| Large-leaved lime | Tilia platyphyllos |
| Larkspur | Consolida |
| Larkspur | Consolida 'Giant Imperial Mixed' |
| Late Cotoneaster | Cotoneaster lacteus |
| Late Dutch honeysuckle, Dutch honeysuckle | Lonicera periclymenum 'Serotina' |
| Late spider orchid | Ophrys fuciflora |
| Laurel | Laurus |
| Lavatera | Lavatera thuringiaca 'Barnsley' |
| Lavender | Lavandula |
| Lavender | Lavandula 'Hidcote Blue' |
| Lavender, English lavender | Lavandula angustifolia 'Alba' |
| Lavender, English lavender | Lavandula angustifolia 'Dwarf Munstead' |
| Lavender, English lavender | Lavandula angustifolia 'Folgate' |
| Lavender, English lavender | Lavandula angustifolia 'Imperial Gem' |
| Lavender, English lavender | Lavandula angustifolia 'Royal Purple' |
| Lavender, English lavender | Lavandula x intermedia 'Grappenhall' |
| Lavender | Lavandula x intermedia 'Grosso' |
| Lavender, English lavender | Lavandula x intermedia 'Seal' |
| Lavender, English lavender | Lavandula x intermedia 'Twickel Purple' |
| Lavender | Lavandula stoechas 'Helmsdale' PBR |
| Lawson cypress | Chamaecyparis lawsoniana |
| Lawson cypress | Chamaecyparis lawsoniana 'Silberstar' |
| Leadwort, Plumbago | Ceratostigma |
| Leafy rush | Juncus foliosus |
| Least bur reed | Sparganium natans |
| Least duckweed | Lemna minuta |
| Leatherleaf sedge | Carex buchananii |
| Lebanese oak | Quercus libani |
| Leek | Allium ampeloprasum 'Carlton' PBR |
| Leek | Allium ampeloprasum 'Edison F1' |
| Leek | Allium ampeloprasum 'Giant Winter 3' |
| Leek | Allium ampeloprasum 'King Richard' |
| Leek | Allium ampeloprasum 'Lyon' |
| Leek | Allium ampeloprasum 'Musselburgh' |
| Leek | Allium ampeloprasum 'Newton' |
| Leek | Allium ampeloprasum 'Pancho' |
| Leek | Allium ampeloprasum 'Poristo' |
| Leek | Allium ampeloprasum 'Swiss Giant' |
| Leek | Allium porrum |
| Leek | Allium porrum 'Giant Winter 3' |
| Leek | Allium porrum 'Lyon' |
| Leek | Allium porrum 'Musselburgh' |
| Leek | Allium porrum 'Newton' |
| Leek | Allium porrum 'Poristo' |
| Leek | Allium porrum 'Swiss Giant' |
| Leek | Allium ampeloprasum 'Neptune' |
| Lemon | Citrus limon |
| Lemon | Citrus limon 'Imperial' |
| Lemon | Citrus limon 'Ponderosa' |
| Lemon | Citrus limon 'La Valette' |
| Lemon balm | Melissa officinalis |
| Lemon balm | Melissa officinalis 'All Gold' |
| Lemon beebrush | Lippia citriodora |
| Lemon grass, West Indian lemon grass, lemongrass | Cymbopogon citratus |
| Lemon mint, Chocolate mint | Mentha x piperita f. citrata |
| Lemon mint, Lemon Bee Balm | Monarda citriodora |
| Lemon thyme, Thyme | Thymus x citriodorus |
| Lemon verbena | Aloysia citrodor |
| Lemon verbena | Aloysia triphylla |
| Lenten rose | Helleborus orientalis |
| Leopard's bane | Doronicum caucasicum 'Little Leo' |
| Leopard's bane | Doronicum orientale 'Magnificum' |
| Lesser bulrush | Typha angustifolia |
| Lesser butterfly orchid | Platanthera bifolia |
| Lesser calamint | Clinopodium nepeta |
| Lesser Canary grass | Phalaris minor |
| Lesser celandine, Pilewort, fig buttercup, woodland buttercup | Ficaria verna |
| Lesser celandine | Ranunculus ficaria |
| Lesser Chilean iris | Libertia elegans |
| Lesser glory-of-the-snow | Chionodoxa sardensis |
| Lesser hairy brome | Bromopsis benekenii |
| Lesser New Zealand flax | Phormium cookianum |
| Lesser periwinkle | Vinca minor |
| Lesser periwinkle | Vinca minor 'Variegata' |
| Lesser periwinkle | Vinca minor 'Argenteovariegata' |
| Lesser periwinkle, White periwinkle | Vinca minor f. alba 'Gertrude Jekyll' |
| Lesser pond sedge | Carex acutiformis |
| Lesser pondweed | Potamogeton pusillus |
| Lesser quaking-grass | Briza minor |
| Lesser tussock sedge | Carex diandra |
| Lesser twayblade | Listera cordata |
| Lesser water plantain | Baldellia ranunculoides |
| Lettuce | Lactuca sativa |
| Lettuce | Lactuca sativa 'All The Year Round' |
| Lettuce | Lactuca sativa 'Arctic King' |
| Lettuce | Lactuca sativa 'Continuity' |
| Lettuce | Lactuca sativa 'Dynamite' |
| Lettuce | Lactuca sativa var. longifolia 'Little Gem' |
| Lettuce | Lactuca sativa var. longifolia 'Lobjoits Green' |
| Lettuce | Lactuca sativa 'Marbello' |
| Lettuce | Lactuca sativa var. longifolia 'Paris White' |
| Lettuce | Lactuca sativa 'Pascal' |
| Lettuce | Lactuca sativa var. foliosa 'Rekord' |
| Lettuce | Lactuca sativa 'Trocadero Improved' |
| Lettuce | Lactuca sativa 'Webb's Wonderful' |
| Lettuce | Lactuca sativa var. longifolia 'Winter Density' |
| Lettuce | Lactuca sativa 'Bijou' |
| Lettuce | Lactuca sativa 'Lakeland' |
| Lettuce | Lactuca sativa 'Salad Bowl' |
| Lettuce | Lactuca sativa 'Lollo Rossa' |
| Leyland cypress | Chamaecyparis x leylandii |
| Leyland cypress | x Hesperotropsis leylandii |
| Leyland cypress | Cupressus x leylandii |
| Leyland cypress | Callitropsis x leylandii |
| Leylandii, Leyland cypress, Cypress | x Cupressocyparis leylandii |
| Lilac | Syringa |
| Lilac | Syringa meyeri 'Palibin' |
| Lilac hibiscus | Alyogyne huegelii |
| Lily | Lilium |
| Lily | Lilium 'Miss Lucy' |
| Lily | Lilium 'Amazing' |
| Lily | Lilium 'Colour Parade' |
| Lily magnolia, Yulan | Magnolia denudata |
| Lily of the valley | Helleborus corsicus |
| Lily, Madonna lily | Lilium candidum |
| Lily-of-the-Nile, Calla lily, Arum lily, Altar lily | Zantedeschia aethiopica |
| Lily-of-the-valley | Convallaria |
| Lily-of-the-valley | Convallaria majalis |
| Lilyturf | Liriope muscari |
| Lime | Tilia x europaea |
| Lime, Linden | Tilia |
| Liquorice | Glycyrriza glabra |
| Liverwort | Marchantia |
| Liverwort, Common Liverwort | Marchantia polymorpha |
| Lizard orchid | Himantoglossum hircinum |
| Lobelia | Lobelia |
| Lobelia | Lobelia 'Crystal Palace' |
| Lobelia | Lobelia 'Dark Crusader' |
| Lobelia | Lobelia 'Fountain Mix' |
| Lobelia | Lobelia 'Moondust Mix' |
| Lobelia | Lobelia x gerardii 'Vedrariensis' |
| Lobelia | Lobelia erinus |
| Lobelia | Lobelia dortmanna |
| Lobelia | Lobelia gibberoa |
| Lobelia | Lobelia siphilitica |
| Loddon pondweed | Potamogeton nodosus |
| Loganberry | Rubus x loganbaccus thornless |
| London plane | Platanus x acerifolia |
| London pride, St Patrick's cabbage, Whimsey | Saxifraga x urbium |
| Long yellow day lily, Citron daylily | Hemerocallis citrina |
| Long yellow day lily, Citron daylily | Hemerocallis citrina var. citrina |
| Long-bracted sedge | Carex extensa |
| Long-stalked pondweed | Potamogeton praelongus |
| Loofah, Sponge Gourd, The Loofah Gourd | Luffa aegyptiaca |
| Loose flowered orchid | Orchis laxiflora |
| Loose silkybent | Apera spica-venti |
| Loosestrife, Yellow loosestrife | Lysimachia |
| Loosestrife | Lysimachia atropurpurea |
| Loosestrife | Lysimachia ciliata 'Firecracker' |
| Loosestrife | Lysimachia ephemerum |
| Loosestrife | Lysimachia punctata |
| Loosetrife | Lysimachia clethroides |
| Loquat | Eriobotrya japonica |
| Lords and Ladies, Cuckoo pint | Arum italicum subsp. italicum 'Marmoratum' |
| Lords and Ladies, Jack in the pulpit, Cuckoo Pint | Arum maculatum |
| Lovage | Levisticum officinale |
| Love grass | Eragrostis 'Wind Dancer' |
| Love-in-a-mist | Nigella damascena |
| Lovegrass | Eragrostis |
| Lundy cabbage | Coincya wrightii |
| Lungwort | Pulmonaria |
| Lungwort | Pulmonaria 'Margery Fish' |
| Lungwort | Pulmonaria 'Victorian Brooch' |
| Lungwort | Pulmonaria saccharata Argentea Group |
| Lungwort | Pulmonaria angustifolia 'Blue Ensign' |
| Lungwort, Soldiers and sailors, Jerusalem sage, Adam and Eve | Pulmonaria officinalis |
| Lupin | Lupinus |
| Lupin | Lupinus 'Dwarf Strain' |
| Lupin | Lupinus 'Manhattan Lights' |
| Lupin | Lupinus 'Masterpiece' PBR |
| Lupin | Lupinus 'Mixed Russell Hybrids' |
| Lupin | Lupinus 'The Page' |
| Lupin | Lupinus 'Tutti Frutti' |
| Lyme grass | Leymus arenarius |
| Macaw flower | Heliconia bihai |
| Madder | Rubia tinctorum |
| Madeiran Orchid | Dactylorhiza foliosa |
| Magnolia | Magnolia campbelli |
| Magnolia | Magnolia x loebneri |
| Magnolia | Magnolia x loebneri 'Leonard Messel' |
| Magnolia | Magnolia x loebneri 'Merrill' |
| Magnolia, Chinese magnolia, saucer magnolia | Magnolia x soulangeana |
| Magnolia | Magnolia x soulangeana 'Lennei alba' |
| Magnolia | Magnolia x soulangeana 'Rustica rubra' |
| Magnolia | Magnolia wilsonii |
| Mahonia | Mahonia |
| Mahonia | Mahonia lomariifolia |
| Mahonia | Mahonia x media |
| Mahonia | Mahonia x media 'Buckland' |
| Mahonia | Mahonia x media 'Lionel Fortescue' |
| Maidenhair fern, Delta maidenhair fern | Adiantum raddianum |
| Maidenhair spleenwort | Asplenium trichomanes |
| Maidenhair tree | Ginkgo biloba |
| Male fern | Dryopteris filix-mas 'Barnesii' |
| Male fern, Fern | Dryopteris filix-mas |
| Mallow | Malva |
| Mallow | Malva 'Wisley Blue' |
| Maltese cross, Jerusalem Cross | Lychnis chalcedonica |
| Maltese cross | Silene chalcedonica |
| Man orchid | Orchis anthropophorum |
| Mangel wurzel, Mangold | Beta vulgaris subsp. macrorhiza |
| Mango, Manga | Mangifera indica |
| Manna ash | Fraxinus ornus |
| Manuka, Tea-tree, New Zealand tea-tree | Leptospermum |
| Many-stalked spike rush | Eleocharis multicaulis |
| Maple | Acer |
| Mare's Tail | Hippuris |
| Mare's Tail, Common Mare's Tail | Hippuris vulgaris |
| Marguerite | Argyranthemum |
| Marguerite, Paris daisy, Margauerite daisy | Argyranthemum frutescens |
| Marigold | Calendula officinalis 'Greenheart Orange' (Greenheart Series) |
| Marigold | Calendula officinalis 'Porcupine' |
| Marigold | Calendula officinalis 'Sherbet Fizz' |
| Marigold | Tagetes 'Golden Gem' |
| Marigold, French Marigold, African Marigold, Aztec Marigold | Tagetes erecta |
| Marigold | Tagetes zenith |
| Marigold, French Marigold, African Marigold, Aztec Marigold | Tagetes erecta 'French Yellow' |
| Marigold, French Marigold, African Marigold, Aztec Marigold | Tagetes erecta 'Bolero' |
| Marigold, English marigold, Pot marigold | Calendula officinalis |
| Marigold, Pot marigold | Calendula officinalis 'Indian Prince' |
| Marjoram | Origanum vulgare 'Daphne Ffiske' |
| Marram grass | Ammophila |
| Marrow, Courgette | Cucurbita pepo var. giromontina |
| Marrow, Courgette | Cucurbita pepo 'Atena' |
| Marrow, Courgette | Cucurbita pepo var. giromontina 'Brimmer' |
| Marrow | Cucurbita pepo var. giromontina 'Long Green Trailing' |
| Marsh arrowgrass | Triglochin palustris |
| Marsh foxtail | Alopecurus geniculatus |
| Marsh helleborine | Epipactis palustris |
| Marsh marigold, Double kingcup | Caltha palustris 'Plena' |
| Marsh marigold, Double marsh marigold, Water buttercup | Caltha palustris 'Flora plena' |
| Marsh pea | Lathyrus palustris |
| Marshmallow | Althaea officinalis |
| Martagon lily | Lilium martagon |
| Mary's pigtail | Verbascum chaixii 'Album' |
| Masterwort | Astrantia maxima |
| Masterwort | Astrantia major subsp. involucrata 'Shaggy' |
| Mastic thyme | Thymus mastichina |
| Mat grass | Nardus stricta |
| Mat grass fescue | Vulpia unilateralis |
| Mauritania Vine Reed | Ampelodesmos mauritanicus |
| May apple, Duck's foot, Ground lemon, Wild mandrake | Podophyllum peltatum |
| May lily | Maianthemum bifolium |
| Meadow barley | Hordeum secalinum |
| Meadow brome | Bromus commutatus |
| Meadow buttercup | Ranunculus acris 'Citrinus' |
| Meadow cranesbill | Geranium pratense |
| Meadow cranesbill | Geranium pratense 'Mrs Kendall Clark' |
| Meadow fescue | Festuca pratensis |
| Meadow foxtail | Alopecurus pratensis |
| Meadow oat grass | Helictotrichon pratense |
| Meadow rue | Thalictrum |
| Meadow rue | Thalictrum 'Album' |
| Meadow saffron, Autumn-flowering crocus, Naked ladies | Colchicum |
| Meadow saffron, Naked ladies | Colchicum autumnale |
| Meadow saffron, Naked ladies | Colchicum autumnale 'Album' |
| Meadow sage, Meadow clary | Salvia pratensis |
| Meadow sage, Meadow clary | Salvia pratensis 'Mittsommer' |
| Meadowsweet, Mead wort | Filipendula ulmaria |
| Medlar, Common medlar | Mespilus germanica |
| Medlar, Common medlar | Mespilus germanica 'Dutch' |
| Medlar, Common medlar | Mespilus germanica 'Nottingham' |
| Medlar, Common medlar | Mespilus germanica 'Royal' |
| Melica Red Spires | Melica transsilvanica |
| Melon | Cucumis melo var. reticulatus 'Esmerelda' |
| Mesembryanthemum | Mesembryanthemum |
| Mexican daisy | Erieron karvinskianus |
| Mexican fencepost cactus | Stenocereus marginatus |
| Mexican Orange | Choisya x dewitteana 'Aztec Pearl' |
| Mexican orange | Choisya x dewitteana WHITE DAZZLER ('Londaz'PBR) |
| Mexican orange blossom | Choisya ternata |
| Mexican paintbrush | Ageratum houstonianum |
| Mexican paintbrush | Ageratum houstonianum 'Blue Danube' |
| Mexican sunflower | Tithonia rotundifolia 'Goldfinger' |
| Mexican sunflower | Tithonia rotundifolia 'Torch' |
| Meyer lemon | Citrus x meyeri |
| Michaelmas daisy | Aster x frikartii 'Mönch' |
| Michaelmas daisy, Aster | Aster |
| Michaelmas daisy, Aster | Aster x frikartii 'Wunder von Stäfa' |
| Michaelmas daisy, Aster, New York aster | Aster novi-belgii |
| Midland hawthorn | Crataegus laevigata |
| Mile-a-minute, mile a minute, Asiatic tearthumb, devil's tail | Persicaria perfoliata |
| Military orchid | Orchis militaris |
| Milk parsley | Peucedanum palustre |
| Milk thistle | Silybum marianum |
| Milkweed | Euphorbia 'Purpurea' |
| Milkweed, Euphorbia, Spurge | Euphorbia palustris |
| Milkweed | Euphorbia polychroma 'Purpurea' |
| Milkweed, Common milkweed | Asclepias syriaca |
| Miller abutilon | Abutilon x milleri |
| Millet | Pennisetum glaucum 'Purple Majesty' |
| Million bells | Calibrachoa |
| Mimosa | Acacia dealbata |
| Mimosa | Acacia dealbata 'Gaulois Astier' |
| Mint | Mentha |
| Miss Willmott's ghost, Asian sea holly | Eryngium giganteum |
| Mistletoe | Viscum album |
| Mitsumata, Paper bush | Edgeworthia chrysantha |
| Mitsumata, Paper bush | Edgeworthia papyrifera |
| Mock orange | Philadelphus |
| Mock orange | Philadelphus coronarius |
| Mock orange | Philadelphus coronarius 'Aureus' |
| Molly the Witch, Mlokosewitch's peony, The golden peony | Paeonia daurica subsp. mlokosewitschii |
| Monach birch | Betula maximowicziana |
| Monkey Cups, Pitcher plant | Nepenthes |
| Monkey flower, Monkey musk | Mimulus |
| Monkey flower, Monkey musk | Mimulus 'Bonfire red' |
| Monkey orchid | Orchis simia |
| Monkey Puzzle, Chilean Pine | Araucaria araucana |
| Monkshood, Aconite, Wolfsbane | Aconitum napellus |
| Monterey cypress, Cypress | Cupressus macrocarpa 'Goldcrest Wilma' |
| Monterey pine | Pinus insignis |
| Monterey pine | Pinus radiata |
| Moon Seed | Menispermum canadense |
| Moor grass | Sesleria autumnalis |
| Morello cherry | Prunus cerasus 'Morello' |
| Morello cherry, Sour cherry, Tart cherry | Prunus cerasus |
| Moreton Bay Chestnut | Castanospermum australe |
| Morning glory | Ipomoea 'Purple Haze' |
| Morning glory | Ipomoea x imperialis 'Sunrise Serenade' |
| Morning glory | Ipomoea tricolor 'Heavenly Blue' |
| Morning glory, Convolvulus | Ipomoea |
| Moroccan mint | Mentha spicata var. crispa |
| Moschatel, Mushroot | Adoxa moschatellina |
| Moth orchid | Phalaenopsis |
| Mother of God's plant | Salvia nemorosa 'Ostfriesland' |
| Motherwort | Leonurus cardiaca |
| Mountain ash, Rowan, Sorbus | Sorbus aucuparia |
| Mountain avens | Dryas octopetala |
| Mountain bog sedge | Carex rariflora |
| Mountain Mare's Tail | Hippuris montana |
| Mountain melick | Melica nutans |
| Mountain mint, Short-toothed mountain mint, Big leaf mountain mint, Clustered mountain mint | Pycnanthemum muticum |
| Mountain pine, Dwarf pine | Pinus mugo 'Winter Gold' |
| Mourning widow, Hardy geranium, The mourning widow | Geranium phaeum |
| Mouse tail plant | Arisarum proboscideuim |
| Mouse-ear hawkweed | Hieracium pilosella |
| Moutan peony, Moutan, Tree peony, Japanese tree peony, Paeony | Paeonia x suffruticosa |
| Mugwort | Artemisia vulgaris |
| Mulberry | Morus |
| Mulberry | Morus 'Charlotte Russe' |
| Mullein | Verbascum |
| Mullein | Verbascum 'Firedance' |
| Mullein | Verbascum 'Gainsborough' |
| Mullein | Verbascum 'Helen Johnson' |
| Mullein | Verbascum 'Mont Blanc' |
| Mullein | Verbascum olympicum |
| Musk mallow | Malva moschata |
| Musk orchid | Herminium monorchis |
| Musk rose | Rosa moschata |
| Myrobalan plum, Cherry plum, Plum | Prunus cerasifera |
| Myrtle | Myrtus |
| Myrtle (small leaf) | Myrtus tarentina |
| Narrow small-reed | Calamagrostis stricta |
| Narrow-leaved arrowhead | Sagittaria subulata |
| Narrow-leaved eelgrass | Zostera angustifolia |
| Narrow-leaved hebe | Hebe parviflora var. angustifolia |
| Narrow-leaved hebe | Hebe stenophylla |
| Narrow-leaved helleborine | Cephalanthera longifolia |
| Narrow-leaved marsh orchid | Dactylorhiza traunsteineri |
| Narrow-leaved meadow grass | Poa angustifolia |
| Narrow-leaved sage | Salvia lavandulifolia |
| Narrow-leaved water plantain | Alisma lanceolatum |
| Narrow-lipped helleborine | Epipactis leptochila |
| Nasturtium | Tropaeolum |
| Nasturtium | Tropaeolum 'Cobra' |
| Nasturtium | Tropaeolum majus |
| Navelwort | Omphalodes cappadocica 'Cherry Ingram' |
| Neapolitan garlic | Allium neapolitanum |
| Nectarine | Prunus persica 'Fantasia' |
| Nectarine | Prunus persica 'Lord Napier' |
| Needle grass, Algerian grass, halfa, esparto grass, Esparto, Esparto grass, Halfah grass, Alfa grass | Stipa tenacissima |
| Needle spike rush | Eleocharis acicularis |
| Nemesia | Nemesia 'Confetti' |
| Nettle tree | Celtis |
| Nettle-leaved goosefoot | Chenopodium murale |
| New Zealand bur | Acaena microphylla |
| New Zealand Bur | Acaena saccaticupula |
| New Zealand Bur | Acaena saccaticupula 'Blue Haze' |
| New Zealand flax | Phormium |
| New Zealand flax | Phormium 'Apricot Queen' |
| New Zealand flax | Phormium 'Bronze Baby' |
| New Zealand flax | Phormium tenax |
| New Zealand sedge | Carex testacea 'Prairie Fire' |
| Nicotiana, Tobacco plant | Nicotiana |
| Nicotiana, Tobacco plant | Nicotiana ('Domino series' Series) |
| Nicotiana, Tobacco plant | Nicotiana 'Hearts Delight' |
| Nicotiana, Tobacco plant | Nicotiana 'Lime Green' |
| Nicotiana, Tobacco plant | Nicotiana 'Perfume Mix' |
| Night-scented stock | Matthiola bicornis |
| Nit grass | Gastridium ventricosum |
| Nitbone, Blue comfrey | Symphytum caucasicum |
| Nolana | Nolana paradoxa 'Blue Bird' |
| Nordmann fir, Caucasian fir | Abies nordmanniana subsp. nordmanniana |
| Normandy sorrel, Fresh sorrel, Buckler-leaved sorrel, Buckler leaf sorrel | Rumex scutatus |
| North American daisy, Rudbeckia, Coneflower | Echinacea purpurea |
| Northern marsh orchid | Dactylorhiza purpurella |
| Northern spike rush | Eleocharis austriaca |
| Norway maple | Acer platanoides |
| Norway maple, Red maple, Soft maple | Acer platanoides f. rubrum |
| Norway maple, Red maple, Soft maple | Acer platanoides 'Rubrum' |
| Norway spruce, Common spruce | Picea abies 'Acrocona' |
| Norway spruce, Common spruce | Picea abies 'Inversa' |
| Norway spruce, Common spruce | Picea abies |
| Nutmeg | Myristica fragrans |
| Nuttall's waterweed | Elodea nuttallii |
| Nymans eucryphia | Eucryphia x nymansensis |
| Nymans eucryphia | Eucryphia x nymansensis 'Nymansay' |
| Oak, English oak, Common oak, pedunculate oak, European oak | Quercus robur |
| Oat | Avena sativa |
| Obovate peony, Mountain peony | Paeonia obovata |
| Ogilvie mountain spring beauty | Claytonia ogilviensis |
| Old lady | Artemisia borealis |
| Old man cactus | Cephalocereus senilis |
| Old Man's beard | Clematis vitalba |
| Old Warrior | Artemisia pontica |
| Olive | Olea europea |
| Onion | Allium |
| Onion, Ornamental onion | Allium 'Globemaster' |
| Onion, Spring onion, salad onion, scallion | Allium cepa |
| Onion | Allium cepa 'Ailsa Craig' |
| Onion | Allium cepa 'Bedfordshire Champion' |
| Onion | Allium cepa 'Californian Red' |
| Onion | Allium cepa 'Japanese Buffalo' F1 hybrid |
| Onion | Allium cepa 'Red Cross' |
| Onion | Allium cepa 'Rijnsburger' |
| Onion | Allium cepa 'Troy' |
| Onion | Allium cepa 'Shakespeare' |
| Oniongrass | Romulea rosea |
| Ontario poplar | Populus x candicans |
| Opposite-leaved pondweed | Groenlandia densa |
| Orange birch bolete | Leccinum versipelle |
| Orange Mint, Eau De Cologne Mint | Mentha x piperita 'Citrata' |
| Orange peel plant, Rainbow plant, Fish mint, Fish leaf, Heart-leaved houttuynia | Houttuynia cordata |
| Orange peel plant | Houttuynia cordata 'Variegata' |
| Orange scented thyme | Thymus 'Fragrantissimus' |
| Orange, Sweet orange, Valencia orange | Citrus sinensis |
| Orchid | Dendrobium |
| Orchid | Oncidium |
| Orchid | Orchidaceae 'Versailles' |
| Orchid | Pleione |
| Orchid | Vanda |
| Oregano, Majoram, Wild marjoram | Origanum vulgare |
| Oriental poppy, Poppy | Papaver orientale |
| Oriental poppy | Papaver orientale 'Beauty of Livermere' |
| Oriental poppy | Papaver orientale 'Harvest Moon' |
| Oriental poppy | Papaver orientale 'Patty's Plum' |
| Oriental poppy | Papaver orientale 'Türkenlouis' |
| Oriental Poppy | Papaver orientale Oriental Group 'Brilliant' |
| Oriental Poppy | Papaver orientale Oriental Group 'Checkers' |
| Oriental Poppy | Papaver orientale Oriental Group 'Prinzessin Victoria Louise' |
| Ornamental Banana | Musa ornata |
| Ornamental blackberry | Rubus biflorus |
| Ornamental Kiwi Fruit, Variegated-leaf hardy kiwi | Actinidia kolomikta |
| Ornamental onion | Allium hollandicum 'Purple sensation' |
| Ornamental onion | Allium vineale |
| Ornamental onion | Allium 'Lucky Balloons' |
| Ornamental onion | Allium lusitanicum 'Summer Beauty' |
| Ornamental onion | Allium 'Mont Blanc' |
| Ornamental pear | Pyrus calleryana 'Chanticleer' |
| Ornamental pepper, Capsicum | Capsicum annuum 'Holiday Cheer' |
| Ornamental quince | Chaenomeles speciosa 'Moerloosei' |
| Ornamental quince, Chinese flowering quince, Japonica | Chaenomeles speciosa |
| Ornamental raspberry, Thimbleberry | Rubus odoratus |
| Ornamental thistle | Cirsium rivulare |
| Ornamental winter kale | Brassica oleracea 'Northern Lights' |
| Osage orange, horse apple, monkey ball, hedge apple tree | Maclura pomifera |
| Oshima cherry | Prunus speciosa |
| Osier, Common osier | Salix viminalis |
| Oso Berry | Oemleria cerasiformis |
| Oval leaf privet, Privet | Ligustrum ovalifolium |
| Oval sedge | Carex ovalis |
| Ox eye daisy | Chrysanthemum leucanthemum |
| Ox-eye daisy, Oxeye daisy | Leucanthemum vulgare |
| Oxlip | Primula elatior |
| Pacific bent grass, Blown-grass, New Zealand wind grass | Agrostis avenacea |
| Pacific Lupin | Lupinus lepidus |
| Pagoda primrose | Primula vialii |
| Painted sage | Salvia horminum |
| Painted sage | Salvia viridis var. comata |
| Pak choi | Brassica rapa Chinensis Group |
| Pale galingale | Cyperus eragrostis |
| Pale sedge | Carex pallescens |
| Pale St John's wort | Hypericum montanum |
| Pale yellow-eyed grass | Sisyrinchium striatum |
| Palm | Ptychosperma |
| Palm | Trachycarpus |
| Pampas grass | Cortaderia selloana |
| Pampas grass | Cortaderia selloana SILVER FEATHER 'Notcort' |
| Pampas grass | Cortaderia selloana 'Tiny Pampa' |
| Panakenake, Pratia | Lobelia angulata |
| Pansy | Viola 'Flambe' |
| Pansy | Viola x wittrockiana 'Lavender Shades' F1 |
| Pansy | Viola x wittrockiana 'Pure White' F1 |
| Pansy | Viola x wittrockiana 'Rose' F1 |
| Pansy | Viola x wittrockiana var. Hortensis |
| Pansy orchid | Miltonia |
| Paper birch | Betula papyrifera |
| Paper white daffodil | Narcissus papyraceus |
| Papyrus, Indian matting plant, Papyrus sedge, Paper reed, Nile grass | Cyperus papyrus |
| Parsley | Petroselinum |
| Parsnip | Pastinaca sativa |
| Parsnip | Pastinaca sativa 'Gladiator' |
| Parsnip | Pastinaca sativa 'Hollow Crown' |
| Partridge berry, Box berry, Fox berry, Winter clover, Pigeon berry, Checkerberry | Mitchella repens |
| Partridge pea, Prairie senna, Gold coins, Dwarf cassia | Chamaecrista fasciculata |
| Pasque flower | Pulsatilla vulgaris |
| Passion flower | Passiflora |
| Passion flower | Passiflora caerulea |
| Passion flower, Blue passion flower | Passiflora caerulea 'Constance Elliott' |
| Passion flower, Blue passion flower | Passiflora caerulea 'Purple Rain' |
| Pawpaw | Carica papaya |
| Pea, Garden pea | Pisum sativum |
| Pea | Pisum sativum 'Feltham First' |
| Pea tree, Siberian pea shrub | Caragana arborescens |
| Peace lily | Spathiphyllum wallisii |
| Peach | Prunus persica |
| Peanut, Groundnut, Monkey Nut | Arachis hypogaea |
| Pear | Pyrus communis |
| Pear | Pyrus communis 'Beech Hill' |
| Pear | Pyrus communis 'Beurre Hardy' |
| Pear | Pyrus communis 'Chanticleer' |
| Pear | Pyrus communis 'Concorde' |
| Pear | Pyrus communis 'Conference' |
| Pear | Pyrus communis 'Doyenné du Comice' |
| Pear | Pyrus communis 'Louise Bonne de Jersey' |
| Pear | Pyrus communis 'Williams' Bon Chretien' |
| Pear | Pyrus communis 'Comice' |
| Pearl Bush | Exochorda x macrantha 'Niagara' |
| Pearl Bush | Exochorda x macrantha 'The Bride' |
| Pearl Bush | Exochorda serratifolia |
| Pearl millet | Pennisetum glaucum |
| Pendulous sedge | Carex pendula |
| Pennyroyal | Mentha pulegium |
| Penstemon | Penstemon |
| Penstemon | Penstemon 'Alice Hindley' |
| Penstemon | Penstemon 'Amelia Jane' (Pensham Series) |
| Penstemon | Penstemon 'Andenken an Friedrich Hahn' |
| Penstemon | Penstemon 'Apple Blossom' |
| Penstemon | Penstemon 'Beech Park' |
| Penstemon | Penstemon 'Blackberry' |
| Penstemon | Penstemon 'Blackbird' (Bird Series) |
| Penstemon | Penstemon 'Carnival' |
| Penstemon | Penstemon 'Charles Rudd' |
| Penstemon | Penstemon 'Cherry' |
| Penstemon | Penstemon 'Chester Scarlet' |
| Penstemon | Penstemon 'Connies Pink' |
| Penstemon | Penstemon 'Czar' |
| Penstemon | Penstemon 'Evelyn' |
| Penstemon | Penstemon 'Fanfare' |
| Penstemon | Penstemon 'Firebird' |
| Penstemon | Penstemon 'Flame' |
| Penstemon | Penstemon 'Garnet' |
| Penstemon | Penstemon 'George Home' |
| Penstemon | Penstemon 'Hewell Pink Bedder' |
| Penstemon | Penstemon 'Hidcote Pink' |
| Penstemon | Penstemon 'King George V' |
| Penstemon | Penstemon 'Laura' |
| Penstemon | Penstemon 'Margery Fish' |
| Penstemon | Penstemon 'Maurice Gibbs' |
| Penstemon | Penstemon 'Midnight' |
| Penstemon | Penstemon 'Osprey' |
| Penstemon | Penstemon 'Papal Purple' |
| Penstemon | Penstemon 'Pennington Gem' |
| Penstemon | Penstemon 'Pink Chablis' |
| Penstemon | Penstemon 'Pink Necklace' |
| Penstemon | Penstemon 'Plum Jerkum' |
| Penstemon | Penstemon 'Port Wine' |
| Penstemon | Penstemon 'Raven' |
| Penstemon | Penstemon 'Red Ace' |
| Penstemon | Penstemon 'Rich Ruby' |
| Penstemon | Penstemon 'Rubicundus' |
| Penstemon | Penstemon 'Russian River' |
| Penstemon | Penstemon 'Schoenholzeri' |
| Penstemon | Penstemon 'Sour Grapes' |
| Penstemon | Penstemon 'Stapleford Gem' |
| Penstemon | Penstemon 'Strawberries & Cream' (Ice Cream Series) |
| Penstemon | Penstemon 'Wedding Day' |
| Penstemon | Penstemon 'White Bedder' |
| Penstemon | Penstemon davidsonii var. menziesii |
| Penstemon | Penstemon hartwegii |
| Penstemon | Penstemon heterophyllus 'Catherine de la Mare' |
| Penstemon | Penstemon isophyllus |
| Penstemon | Penstemon newberryi |
| Penstemon | Penstemon pinifolius |
| Penstemon | Penstemon pinifolius 'Wisley Flame' |
| Penstemon | Penstemon procerus 'Roy Davidson' |
| Penstemon | Penstemon rupicola |
| Penstemon | Penstemon 'Snowstorm' |
| Penstemon | Penstemon 'Purple Bedder' |
| Peony, Paeony | Paeonia |
| Peony, Paeony | Paeonia 'Buckeye Belle' |
| Peony, Paeony | Paeonia 'Flame' |
| Peony, Paeony | Paeonia 'Scarlett O'Hara' |
| Peony, Paeony, Japanese lily | Paeonia lactiflora 'Bowl of Beauty' |
| Peony, Paeony | Paeonia lactiflora 'Edulis Superba' |
| Peony, Paeony | Paeonia lactiflora 'Festiva Maxima' |
| Peony, Paeony | Paeonia x suffruticosa 'Carmine Red' |
| Peony, Paeony | Paeonia x suffruticosa 'Dark Pink' |
| Peony, Paeony | Paeonia officianalis 'Rubra Plena' |
| Peony, Paeony | Paeonia lactiflora 'Doctor Alexander Fleming' |
| Peony, Paeony | Paeonia lactiflora 'Duchesse de Nemours' |
| Peony, Paeony | Paeonia lactiflora 'Karl Rosenfield' |
| Peony, Paeony | Paeonia lactiflora 'Krinkled White' |
| Peony, Paeony | Paeonia lactiflora 'Sarah Bernhardt' |
| Peony, Paeony | Paeonia lactiflora 'Shirley Temple' |
| Peony, Paeony | Paeonia lactiflora 'Sword Dance' |
| Peony, Paeony | Paeonia x suffruticosa 'Lu Mu Ying' |
| Peony, Paeony | Paeonia x suffruticosa 'Mo Run Jue Lun' |
| Peony, Paeony | Paeonia x suffruticosa 'Wu Jin Yao Hui' |
| Peony, Paeony | Paeonia lactiflora 'Kansas' |
| Peony | Paeonia caucasica |
| Peony | Paeonia emodi |
| Peony | Paeonia hybrida |
| Peony | Paeonia mascula |
| Peony | Paeonia veitchii |
| Peony | Paeonia 'Coral Sunset' |
| Peony, Paeony | Paeonia lactiflora 'Doreen' |
| Peony, Japanese tree peony | Paeonia x suffruticosa 'Shimazu Kurenai' |
| Peony | Paeonia 'Etched Salmon' |
| Peony, Paeony | Paeonia lactiflora 'Bowl of Cream' |
| Peony | Paeonia 'Old Faithful' |
| Peony | Paeonia lactiflora 'Adolphe Rousseau' |
| Peony | Paeonia lactiflora 'White Wings' |
| Peony, Paeony | Paeonia 'Gleam of Light' |
| Peony, Paeony | Paeonia lactiflora 'Solange' |
| Peony, Paeony | Paeonia 'Jan van Leeuwen' |
| Peony, Paeony | Paeonia x suffruticosa 'Bai Yuan Hong Xia' |
| Peony, Chinese peony, Paeony | Paeonia lactiflora |
| Peony, Common peony, Garden peony | Paeonia officianalis |
| Pepper, Capsicum | Capsicum 'Bullnose' |
| Pepper, Capsicum | Capsicum 'New Ace' |
| Pepper | Capsicum 'Joe's Long' |
| Pepper tree, New Zealand pepper tree | Pseudowintera colorata |
| Peppercorn | Piper nigrum |
| Peppermint, Black peppermint | Mentha x piperita |
| Perennial Cornflower | Centaurea montana |
| Perennial Cornflower | Centaurea montana 'CARNEA' |
| Perennial forget-me-not | Brunnera macrophylla |
| Perennial forget-me-not | Brunnera macrophylla 'Looking Glass' PBR |
| Perennial nasturtium | Tropaeolum tuberosum |
| Perennial phlox | Phlox paniculata |
| Perennial ryegrass | Lolium perenne |
| Perfoliate pondweed | Potamogeton perfoliatus |
| Periwinkle | Vinca |
| Persian Buttercup | Ranunculus 'Elegance® Pastello' |
| Persian iris | Iris persica |
| Persian ironwood | Parrotia persica |
| Persian onion, Star-of-Persia | Allium cristophii |
| Peruvian apple, Cactus | Cereus peruvianus |
| Peruvian lily | Alstroemeria 'Planet' |
| Peruvian lily | Alstroemeria aurea |
| Peruvian lily | Alstroemeria ligtu hybrids |
| Peruvian old man cactus, Cotton ball cactus | Espostoa lanata |
| Petticoat palm | Washingtonia filifera |
| Petunia | Petunia |
| Petunia | Petunia 'Frenzy Moonshine Mix' |