Alyssum
Very pretty, low growing, hardy perennials and annuals. Small pillows of multiple tiny flowers, continuing to flower throughout the summer. Sweetly scented. For prolonged flowering snip off the seedpods after each bloom.
Suggested sowing time:
(Key: 
sow indoors,
sow outside,
sow outside under cover.)
Where to plant:
The dwarf spreading habit of these plants make them particularly good for edging, rockeries, hanging baskets, between paving and dry stone walls.
For an effective display interplant with Lobelia 'Crystal Palace'.
Cultivars and varieties:
Alyssum maritimum 'Carpet of Snow' - Ideal plants for borders, edging and rockeries.
Alyssum maritimum 'Golf Mix' - Attracts butterflies.
Alyssum maritimum 'Little Dorrit' - Probably the most commonly grown alyssum.
Alyssum maritimum 'Minimum'
Alyssum maritimum 'Oriental Night'
Alyssum maritimum 'Rosie O'Day'
Alyssum maritimum 'Royal Carpet'
Alyssum maritimum 'Snow Carpet' - Larger flowered variety.
Alyssum maritimum 'Snow Crystals' - Larger flowered variety.
Alyssum maritimum 'Snow Drift'
Alyssum maritimum 'Wonderland'
Alyssum saxatile var. compactum 'Gold Dust' - An attractive grey-leaved perennial which bears trailing flower spikes of rich golden yellow.
Seeds to sow now:
Indoors or in a heated greenhouse
Antwerp hollyhock, Fig-leaved hollyhock, Hollyhock
Aubretia, Rock cress, Aubrieta, Aubrietia
Bristly hollyhock
Brussels sprout
Lobelia
Ornamental pepper
Petunia
Salvia
Outside under cover
Cabbage
Carrot
Onion
Radish
Turnip
What else to plant now:
Apple & pear trees (bare rooted)
Roses (bare rooted)
