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

Clematisalpina

Family
Ranunculaceae (ra-nun-kew-LAY-see-ee)
Genus
Clematis (KLEM-uh-tiss)
Species
alpina (AL-pin-a)
Synonym
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
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
Regional

This plant is said to grow outdoors in the following regions:

Uxbridge, Massachusetts

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Gardener's Notes:

1
positive
1
neutral
0
negative
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M
M
Ewing, KY (Zone 6a) | September 2006 | neutral

Received The Royal Horticultural Society, Award of Garden Merit (AGM) in 2005.

T
St. John's, NL (Zone 5b) | November 2004 | positive

I've had this one for over 10 years. The plant is growing on a fence and now stretches for 15 feet! Produces a wall of blue each June, ...Read More

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