Annual up to Zone 8; short-lived perennial in Zones 9-11 Carpet of Snow Alyssum make a nice fragrant low growing border with loads of flowers that attracts butterflies. Grows 4″ tall and spreads 5-8″. Carpet of Snow Alyssum likes full or partial sun. Alyssum can also be grown in containers.
Planting Instructions for Carpet of Snow Alyssum Seeds
Alyssum seeds need light to germinate so do not cover the seeds when planting. They are very susceptible to damping off so water with warm water only. For sowing alyssum outdoors in beds, sow seeds after the soil has begun to warm in the spring then thin to 4″ apart. Alyssum is an annual and germination occurs in 7-8 days at 70°F. Alyssum are somewhat resistant to disease and insects. If disease or insect problems occur, treat alyssum early with organic insect repellants and fungicide.