Rock Cress Purple Aubrieta Deltoidea is a herbaceous perennial native to Europe and Asia. Rock Cress Purple seeds can be started indoors or directly outdoors, and Aubrieta Deltoidea is a very popular, compact perennial plant that forms low mats of evergreen foliage which has to be trimmed back after flowering to maintain a compact form. Purple Rock Cress blooms with masses of small, 3/4 inch, velvety-purple to violet-blue flowers, providing delightful spring to summer show of brightly colored blossoms and attracting bees and butterflies.
Rock Cress Purple is one of the most popular flowers for growing in rock and alpine gardens or as an edging plant or ground cover. Rock Cress is great between stepping stones, along pathways, or in the crevices of stone walls. Aubrieta Deltoidea seeds can be planted in a light well-drained soil in a sunny or lightly shaded area in fall or spring. Rock Cress grows best in full sun or partial shade, average or poor, well drained soil, and tolerates drought.
Height: 4-6 Inches
Bloom Season: Spring/Summer
Environment: Sun/Partial Shade
Soil Type: Average/Poor/Moist well-drained, pH 6.5-7.5
USDA Zones: 4-9
Sow Indoors: Winter/Spring (6-8 weeks before last frost)
Sow Outdoors: Spring/Fall
Seed Depth: 1/16 Inch
Germination Time: 14-21 Days