Aubrieta deltoidea is a species of flowering plant in the mustard family. Common names include lilacbush, purple rock cress and rainbow rock cress. It is a mat forming, semi-evergreen perennial plant which produces vivid purple-red flowers.
Aubretia Care
Aubrieta deltoidea
Other names: False Rockcress, Lilacbush, Rainbow Rockcress, Alyssum Deltoideum, Aubrieta X Cultorum 'rokey's Purple'
What is the plant
Aubrieta deltoidea is a low growing, herbaceous perennial groundcover member of the Brassicaceae or mustard family. This plant is also known as False Rockcress or lilacbush. It is native to southeastern Europe, but is grown worldwide as an ornamental plant and it grows wild in some areas as a garden escapee. False rock cress will not exceed a height of 1’ foot, and individual plants can spread as wide as 2’ feet. The dainty, pretty leaves are grayish green in color. Aubrieta plants are an early spring bloomer. Blossoms are in shades of pink, violet, and red.
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Lighting
Full Sun
Hardiness zone
max 8b
Difficulty
Easy
How to Care for the Plant
Water
Keep well-watered in their first season until the roots are well established but do not overwater.
Fertilizer
Feed with an all-purpose, water-soluble fertilizer every few weeks during the growing season.
Sunlight
False Rockcress can tolerate full sunlight, but a location with partial shade is preferred as excessive heat is detrimental. You may get more blossoms in full sun.
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Soil
Plant in a compost rich, well-drained soil.
Temperature
Being an alpine plant they prefer cooler climates and are extremely hardy. They can be grown in the areas with the lowest winter temperatures of -20°F to -30°F.
Popularity
1,215 people already have this plant 267 people have added this plant to their wishlists
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