trefle.io · Taken May 28, 2022 by muriel mng (cc-by-sa)
Ranunculaceae
Rock clematis
Clematis columbiana
Also known as Western blue clematis, Clematis occidentalis, Clematis verticillaris var. columbiana, Atragene columbiana
Native Plants · Clematis · Native · Climber · Vine · Perennial · Rock · Woodland · Purple · Flowers
Rock clematis is a hardy native climber that thrives in partial shade with well-draining soil. Provide sturdy support for climbing and prune lightly after flowering. This drought-tolerant vine is perfect for naturalizing in woodland gardens or rocky slopes.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water deeply then allow soil to dry between waterings · Every 7-10 days
- Maintenance
- Moderate
- Soil
- chalk
- Soil pH
- 6.5–7.5
- Temperature
- -20°F to 85°F
- Cycle
- Perennial
Hardiness
USDA 4a-9b
Form & growth
Mature size and habit
- Mature height
- 15 ft – 25 ft
- Spread
- 15 ft
- Spacing
- 36 in apart
- Growth rate
- Moderate
- Root depth
- Deep
- Flowers
- No
- Foliage
- Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Arizona, Colorado, Idaho, Montana, New Mexico, North Dakota, South Dakota, Texas, Utah, Wyoming
- Attracts
- Bees, Butterflies
Sources: trefle, usda
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