Ranunculaceae
Clematis occidentalis var. grosseserrata
Clematis occidentalis var. grosseserrata var. grosseserrata
Also known as Atragene columbiana f. albescens, Atragene grosseserrata, Atragene occidentalis var. dissecta, Atragene occidentalis var. grosseserrata
Native Plants · Clematis · Climbing · Vine · Perennial · Montana · Native · Hardy · Purple · Flowers
This hardy climbing clematis thrives in partial shade with consistent moisture and well-draining soil. Provide sturdy support for climbing and mulch roots to keep them cool. Prune lightly after flowering to maintain shape.
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
- Alberta, British Columbia, Colorado, Idaho, Montana, New Mexico, Oregon, Saskatchewan, Utah, Washington, Wyoming, Yukon
- Attracts
- Bees, Butterflies
Sources: trefle, usda
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