Aubrieta Purple Rock Cress (Aubrieta deltoidea) is a popular ground cover known for its vibrant purple blooms and ease of care. This low-growing perennial, a member of the Brassicaceae (mustard) family, thrives in rocky areas and adds a splash of color to gardens from April through mid-May. Its fragrant flowers and edible leaves make it a versatile addition to any landscape.
Growing Aubrieta Purple Rock Cress
This hardy plant thrives in USDA plant hardiness zones 4-7. Whether you’re a seasoned gardener or just starting out, growing aubrieta purple rock cress is remarkably simple. Seeds can be sown directly into the garden in early spring, or started indoors four to six weeks before the last expected frost.
Aubrieta purple rock cress prefers full sun but tolerates some shade, especially in warmer climates. Space plants 15 to 18 inches apart to allow them to spread and form a dense mat. They flourish in well-drained soil with a slightly acidic pH.
Caring for Aubrieta Purple Rock Cress
Once established, aubrieta purple rock cress requires minimal care. Water regularly when first planted, then only when the soil is dry. To maintain soil acidity and moisture, consider applying a light layer of pine needle mulch.
Fertilize with a high-nitrogen fertilizer upon planting and a phosphorus-rich fertilizer after blooming. Expect blooms in the second spring and every year thereafter. Deadheading spent flowers promotes new growth and keeps the plant healthy.
Using Aubrieta Purple Rock Cress in Your Landscape
Aubrieta purple rock cress is a versatile plant that thrives in challenging environments. Its low-growing habit makes it ideal for rock gardens, cascading over walls, or filling spaces between stepping stones. Consider planting it on slopes or hillsides where other plants struggle.
Pest and Disease Resistance
Aubrieta purple rock cress is generally resistant to pests and diseases, further simplifying its care. This robust plant offers beautiful, long-lasting color with minimal effort.
Conclusion
With its vibrant purple blooms, low maintenance requirements, and adaptability, aubrieta purple rock cress is an excellent choice for adding color and texture to your garden. Its ease of growth and resilience make it perfect for gardeners of all levels. This beautiful groundcover will transform any rocky area into a stunning display of color.
