Clematis Species, Blue Virgin's Bower, Rock Clematis
Clematisoccidentalis

Synonym:Atragene americana

Synonym:Atragene occidentalis

Synonym:Clematis verticillaris

Height

Spacing
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)

Hardiness

Sun Exposure
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)

Danger
Full Sun
Sun to Partial Shade
Light Shade
Partial to Full Shade

Bloom Color
Parts of plant are poisonous if ingested

Bloom Time
Fuchsia (red-purple)
Blue-Violet

Other details
Mid Spring
Late Spring/Early Summer

Propagation Methods

Seed Collecting

Flower Fragrance

Patent Information

Group

Bloom Shape

Pruning Groups

Bloom Diameter

Foliage Color
Vines and Climbers

Bloom Characteristics

Water Requirements

Where to Grow