Description
Rock Cress is a perennial plant that forms a flower-filled rug throughout spring and summer.
The species forms a beautiful carpet of grayish green leaves, literally suffocated by a splendor of flowers.
In the garden is very suitable for formation of massifs, rock or rock gardens, roofing and crevices of walls form a beautiful colorful veil promoting a great spectacle, large sunny spaces lining and a true joker for borders in flower beds or planting in pots. suspended; An invitation to kiss flowers and butterflies.
Aubrieta is frost tolerant and stays green all winter long.
Germination Guide
🌍 Southeastern Europe, Greece, Crete, and Western Turkey
Easy
Aubrieta deltoidea, commonly known as Purple Rock Cress, is a low-growing mat-forming perennial from southeastern Europe that produces abundant lilac to purple flowers in spring. Seeds require light to germinate and benefit from a cool stratification period over winter to break dormancy. This species germinates readily within 10-30 days under proper light and moisture conditions, making it an excellent choice for spring-sown seed programs.
Germination
Germination time
Expect germination in
10 – 30 days
Temperature
Min 15°C
Ideal 18°C
Max 25°C
Substrate moisture
💧💧 High
Substrate & Container
Recommended substrate
Well-draining, sandy, loamy soil or seed-starting mix with good aeration and drainage
Recommended container
Shallow seed tray or transparent container with drainage holes
Growing Tips
Surface sow seeds on soil without covering, as light is essential for germination. Water gently from below using a diffuser to prevent seed displacement. Maintain soil moisture consistently but avoid waterlogging. Ideal germination occurs at temperatures of 15-20°C (59-68°F). For indoor sowing, start seeds 6-8 weeks before the last frost date. After germination, provide bright indirect light. Once seedlings develop true leaves, acclimate them gradually to sunlight before transplanting. Space transplants 10-12 inches apart. Cold stratification over winter (30-90 days at 4°C) can enhance germination rates for outdoor spring sowing.
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