How do you plant Rock Cress seeds?
For outdoor starts, sow Rock Cress seeds early in the season and cover lightly with 1/8″ of fine garden or potting soil. The seeds have a long germination period, requiring two to three weeks. Sow seeds 6 to 8 weeks before transplanting seedlings outdoors.
How do you plant blue rock cress seeds?
Press the Rock Cress ground cover seeds into the soil and thinly cover. The Aubrieta seed needs light to germinate. Transplant into the garden 12 inches apart after frost danger has passed. After frost season has passed, Rock Cress ground cover seeds can be directly sown into a prepared seedbed outdoors.
How long does it take Rock Cress to spread?
Answer: The Rock Cress plants or Aubrieta Deltoidea plants grow very quickly. They don’t grow in an upwards manner, but they tend to spread all around their delicate stem. They can reach up to two feet in the spread in just one year.
Can Rock Cress seeds be planted in the fall?
The dense flowering mass attracts bees, insects, butterflies and hummingbirds. Plant Rock Cress in the fall or spring to create a wonderful ground cover carpet. This evergreen perennial will keep its leaves green all year round. The showy flowers will start blooming in early spring until mid-May.
Is rock cress a ground cover?
Rock cress (Aubrieta deltoidea), also called rainbow rockcress, false rockcress, and lilacbush, is a low-growing groundcover native to the Mediterranean and western Asia. Its penchant for full sun and rocky soil makes it an excellent addition to rock gardens and gardens in areas with drier, rockier soil.
Does rock cress need full sun?
Rock Cress Care Must-Knows
Due to their rocky upbringings, these plants prefer alkaline soil. Be careful not to overwater or plant in a moist area because too much moisture is sure to kill them. Rock cress requires full sun. In less than full sun, blossoms will not be as bright or as plentiful.
Does rock cress come back every year?
Rock cress will bloom the second spring after planting and every year after that. Regular pruning to remove dead flowers will keep the plant healthy and encourage new growth.
Does rock cress bloom all summer?
Vigorous and eye-catching, Aubrieta deltoidea (Rock Cress) is a mat-forming, semi-evergreen perennial plant that produces delightful, vivid purple-red flowers in mid-late spring to early summer.
…
Requirements.
Hardiness | 5 – 7 What’s My Zone? |
---|---|
Attracts | Birds, Butterflies, Hummingbirds |