250 Seeds.
Other Names - Sweet Alyssum, Sweet Alison, Alyssum Maritimum…
Alyssum Snow Crystals is a mound forming annual variety with compact uniform white flowers. It produces larger flowers compared to it's relative 'Carpet of Snow'. Excellent for growing as bedding plants, in containers or for filling in gaps in pavers etc.
Suitable For - Bedding plants, herbaceous borders, hanging baskets, containers, rock gardens, crevices in walls, filling gaps in pavers, coastal gardens
Sowing Months - February - May
Flowering Months - June - September
If the soil is a heavy clay add some gritty sand to help with drainage. Remove weeds from the area. The soil will need to be a fine tilth if the seeds are to be sown direct.
General Information | |||
---|---|---|---|
Habit | Annual | Soil type | Well drained, moderately fertile soil |
Type | Distance between plants | 20 - 30 cm | |
Position | Full sun | Sowing depth | 2 mm |
Average height | 20 cm | Germination Temperature | 15 to 25℃ |
Average spread | 20 - 30 cm | Days to germination | 10 - 30 days |
Hardiness | Hardy down to -5 | RHS Bee friendly | Yes |
Soil Ph | RHS Award winner | No |
Sow alyssum seeds on the surface of moist compost in trays, modules or pots.
Lightly cover the seeds with fine compost or vermiculite at the depth suggested above.
Place in a propagator or if preferred cover with a clear polythene bag and seal. Place in a warm location at the temperature suggested above. Do not exclude light as this will help germination however avoid direct hot sun at this stage.
When germination has started, remove the container from the bag or propagator and grow on in a cooler, well lit location.
When the seedlings are large enough to handle, transplant into small pots.
Grow the alyssum's on in cooler conditions however protect from frost. Do not overwater.
When the young plants are growing strong and all risk of frost has passed, plant out into their final growing position.
Harden off over 7 - 10 days before planting out.
Sow alyssum seeds direct in May into a well prepared seed bed where the plants are to flower.
If the seedlings are overcrowded transplant to 20 - 30 cm apart and water well.
Water newly planted alyssum's well until established.
They prefer soils that are not too rich and therefore should not require any additional fertilizer. If the soil is overly rich the plants will produce a large amount of leaves however very little flowers!
To encourage more flowers to bloom cut the plants back after the first flush of flowers.
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