
Rock Cress
- Botanical Name
- Arabis caucasica
- Min Zone
- 4
- Max Zone
- 7
- Height
- 6 to 12 inches
- Width
- 6 to 18 inches
- Flowers
- Early spring: 4 petals of white, pink, blue or purple
- Light
- Full sun
- Soil
- Medium to dry, very well-drained, sandy
- Planting & Care
- Drought tolerant
- Requires well-drained soil
- Plants lose vigor and decline in the heat of Zone 7 and higher
- Cut back plants after flowering to promote fuller growth
- Divide every 2 or 3 years after flowering or in fall
- Softwood stem cuttings taken right after flowering is a reliable method of propagation
- Problems
- Club root, downy mildew, white rust, aphids
- Varieties
- Snow Cap - prolific white flowers
- Rosabella - rose colored blooms
- Flore Pleno - late blooming, double white flowers
- Variegata - white flowers above cream striped foliage
- Red Sensation - bright red flowers
- Rose Delight - rose-purple blooms
Related Content
Article
Article
Article
Categories
Upcoming Live Events
& Webinars
Feb. 7-9, 2025
PBS Wisconsin's
Garden & Green Living Expo
Madison, WI
Feb. 12, 2025
FREE WEBINAR:
Organic Insect Pest Management for Vegetable and Flower Gardens
Register here
Feb. 14-16, 2025
NARI Milwaukee Spring Home Improvement Show
West Allis, WI
Feb. 19, 2025
FREE WEBINAR:
Strategies for Managing Invasive Plants
Register here
Feb. 26, 2025
FREE WEBINAR:
Create a Beautiful Shade Garden
Register here
Feb. 27, 2025
FREE WEBINAR:
How to Select Rain Garden Plants
Register here
March 12, 2025
FREE WEBINAR:
Grow Pollinator-friendly Spring and Summer Flowering Bulbs
Register here
March 19, 2025
FREE WEBINAR:
Be a Waterwise Gardener
Register here
March 22, 23, 29, 30, 2025
REALTORS Home & Garden Show
West Allis, WI
March 26, 2025
FREE WEBINAR:
Succession Planting & Crop Rotation
Register here
March 27, 2025
FREE WEBINAR:
Rain Garden Q & A
Register here
April 2, 2025
FREE WEBINAR:
Container Gardens for Sun & Shade
Register here
April 10, 2025
FREE WEBINAR:
Reinvigorate Your Rain Garden
Register here
May 7, 2025
FREE WEBINAR:
Vertical Gardening
Register here
May 15, 2025
FREE WEBINAR:
7 Steps to Managing Water on Your Property
Register here
June 4, 2025
FREE WEBINAR:
Attracting Hummingbirds
Register here
WATCH ON-DEMAND WEBINARS
Learn More