Aster

Aster meaning ‘star’ in Latin, prefer well-drained, fertile soil in full sun. Mulch in late autumn. If they are getting too congested, dig up and divide in the spring, which will encourage better flowering the following year.

Asters can be prone to mildew and slugs love to dine on the shoots just below the soil surface.

Aster novae-angliae is a mildew resistant variety that flowers from August through to October and they are good choice for cut flower arrangements.

Aster novi-belgii – the real Michaelmas daisy. They have great flower colours but can suffer from verticillium wilt.

Cultivars and varieties:

Aster 'Giant Princess Azure Blue'

Aster 'Giants of California' - Attract beneficial insects.

Aster 'Lady in Blue'

Aster 'Single Giant'

Aster cordifolius 'Little Carlow' - Prefers partial shade, bushy 3ft (90cm) purply-blue flowers.

Aster ericoides 'Ester' - Small pink flowers in October.

Aster lateriflorus 'Horizontalis' - Dense bush, small white flowers with pink edges.

Aster novae-angliae 'Lou Williams' - 5.5ft (170cm) large flowers.

Aster novae-angliae 'Purple Dome' - 18in (45cm).

Aster novi-belgii 'Ada Ballard'

Aster novi-belgii 'Carnival' (Semi-double) - Great for a late show of flowers. red, semi-double.

Aster novi-belgii 'Crimson Brocade'

Aster novi-belgii 'Eventide'

Aster novi-belgii 'Fellowship' - Great for a late show of flowers, Pale pink.

Aster novi-belgii 'Lady Frances' - The flowers are shades of pale pink.

Aster novi-belgii 'Marie Ballard' (Double) - Great for a late show of flowers. Double blue.

Aster novi-belgii 'Rose Bonnet'

Aster novi-belgii 'Winston S Churchill'

Seeds to sow now:

Indoor or in a heated greenhouse

Ageratum

Alyssum

Aubergine

Bell pepper, Pepper, Sweet pepper

Cardoon

Cauliflower

Celeriac

Celery

Columbine

Cress

Cucumber

Floss flower, Ageratum

Lettuce

Lobelia

Ornamental pepper

Pepper

Petunia

Salvia

Tomato

Outside

Alyssum

Amaranthus

Antwerp hollyhock, Fig-leaved hollyhock, Hollyhock

Asparagus

Beetroot

Borecole, Kale

Bristly hollyhock

Broccoli

Brussels sprout

Cabbage

Carrot

Cauliflower

Common hollyhock

Hollyhock

Lettuce

Normandy sorrel

Onion

Ornamental winter kale

Parsnip

Radish

Spinach

Spinach, Summer spinach

Spring onion

Sweet pea

Turnip

Outside under cover

Carrot

Cauliflower

Courgette

Cucumber

French marigold

Leek

Lettuce

Marrow

Onion

Pea

Snapdragon

Sweet corn

Tomato

 

 

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