Family: Ranunculaceae (ra-nun-kew-LAY-see-ay) (Info)
Genus: Clematis (KLEM-uh-tiss) (Info)
Species: heracleifolia (hair-uh-klee-ih-FOH-lee-uh) (Info)
Cultivar: Alan Bloom
Additional cultivar information: (aka Alblo, Bressingham Bluebird)
Hybridized by Blooms of Bressingham; Year of Registration or Introduction: 1900s
 One vendor has this plant for sale.
Group:
Herbaceous
Height:
24-36 in. (60-90 cm)
Spacing:
24-36 in. (60-90 cm)
Hardiness:
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)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Bloom Color:
Dark Blue
Blue-Violet
Flower Fragrance:
No fragrance
Bloom Shape:
Single
Bell
Bloom Diameter:
Small - less than 2 inches (5 cm)
Bloom Time:
Mid Summer
Late Summer/Early Fall
Sun Exposure:
Full Sun
Sun to Partial Shade
Other details:
Average Water Needs; Water regularly; do not overwater
Pruning Groups:
Group 3 - Summer/Fall bloomers; prune hard in early spring
Propagation Methods:
By dividing the rootball
From herbaceous stem cuttings
From softwood cuttings
From semi-hardwood cuttings
Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
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