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    • » Alyssum, Arabis (Rockcress) & Draba (Whitlow Grasses)

Alyssum, Arabis (Rockcress) & Draba (Whitlow Grasses)

Rockcresses and Withlow Grasses are very diverse genera within the mustard family (Brassicaceae) and include many horticulturally interesting dwarf perennials which are ideally suited for the rock garden where they will make dense, floriferous cushions or carpets with time. Some species have fragrant flowers. All grow well in any rich, well drained soil in a sunny spot.
Sow flat from autumn to early summer in any well drained, rather rocky soil in full sun. Do not cover seeds with soil. Sowings require a prolonged cooling period before they will germinate in mid spring. Carefully transplant seedlings as soon as they are strong enough.
All are USDA Climate Zone 6.
20 seeds per package (Alyssum spp.), respectively 40 seeds per package (Arabis and Draba spp.).