Outsidepride Aubrieta Rock Cress Whitewell Gem Ground Cover Plant Seed - 5000 Seeds Aubrieta Hybrida Whitewell Gem grows as a perennial groundcover in USDA Zones: 4 - 9 and thrives in full sun to partial shade areas. Aubrieta, also called Rock Cress is a low-growing flower only reaching 4 - 6 inches in height with violet to purple blooms from mid spring to early summer. This ground cover is deer resistant and perfect for rock gardens and can be used as a container plant. Approximately 2,000 heirloom Aubrieta seeds covers 40 square feet. Keep moist until germination occurs in 14 - 21 days. Our seeds are always Non-GMO and packaged for the current year.