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
Ageratum
Aubergine
Bell pepper, Pepper, Sweet pepper
Cardoon
Celeriac
Celery
Columbine
Coriander
Cress
Floss flower, Ageratum
Forget-me-not
Ornamental pepper
Pepper
Outside
Antwerp hollyhock, Fig-leaved hollyhock, Hollyhock
Aubretia, Rock cress, Aubrieta, Aubrietia
Beetroot
Beetroot, Garden beet
Borecole, Kale
Bristly hollyhock
Broccoli
Brussels sprout
Cabbage
Carrot
Cauliflower
Kohl rabi
Normandy sorrel
Onion
Ornamental winter kale
Radish
Spinach
Spinach, Summer spinach
Spring onion
Sweet pea
Sweetcorn
Turnip
Outside under cover
Brussels sprout
French marigold
Marrow
Onion
Snapdragon
Sweetcorn
What else to plant now:
Roses (bare rooted)
