After danger of frost, sow Carpet of Snow Alyssum seeds in open ground well exposed. Cover with 0.125" of soil. When plants are 2" tall, thin to allow for spreading. Seed Spacing: Sow Carpet of Snow Alyssum seeds roughly 6"-8" apart.
Sowing: Direct sow royal carpet sweet alyssum seeds in spring, after the soil warms. Press the seed into the surface of the soil, since it needs light to germinate. Keep the soil lightly moist until germination. The seed can also be started indoors 6-8 weeks before the last frost date of spring.
Technically a perennial, sweet alyssum is widely treated as if it were an annual plant in cold-winter climates. But it is one of the hardier annuals, capable of surviving light frosts that would kill more tender plants.. . . . .364011233635!]
