Clematis, Alpine Clematis, Atragene Clematis, Early Small-flowered Clematis
Clematisalpina 'Pamela Jackman'

Height

Spacing
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)

Hardiness
4-6 ft. (1.2-1.8 m)

Sun Exposure
USDA Zone 2a: to -45.5 °C (-50 °F)
USDA Zone 2b: to -42.7 °C (-45 °F)
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
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
Sun to Partial Shade

Bloom Color

Bloom Time
Blue-Violet

Other details
Late Spring/Early Summer

Propagation Methods

Seed Collecting

Flower Fragrance
From semi-hardwood cuttings

Patent Information

Group
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Bloom Shape

Pruning Groups

Bloom Diameter

Foliage Color

Bloom Characteristics

Water Requirements

Where to Grow