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Rock Cress plants are covered in stunning spring flowers. Rock Cress is a superb perennial ground cover for dry banks, between flagstones, or along pathways.
Spreading perennials which produce stunning masses of flowers in spring. Superb on dry banks, walls and rock gardens or use between patio flagstones. Grows 3-6 inches high and spreads 1-1.5 feet across. They are outstanding performers. Cut back halfway after blooming. Prefers part shade in hot climates, full sun where summers are relatively cool. Winter hardy to zone 4.
A striking blend of dark blue, red and purple.
Sow seed in cell packs or flats using a sterilized mix, press into soil but do not cover. Needs light to germinate. Kept at 70°F., germination is in 14-21 days. Transplant into the garden 12 inches apart.