Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info)
Genus: Clematis (KLEM-uh-tiss) (Info)
Cultivar: HF Young
Additional cultivar information: (aka H.F. Young, Horace Young)
Hybridized by Pennell; Year of Registration or Introduction: 1962
 2 vendors have this plant for sale.
5 members have or want this plant for trade. Group:
Early Large-flowered
Height:
8-10 ft. (2.4-3 m)
Spacing:
24-36 in. (60-90 cm)
Hardiness:
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)
Bloom Color:
Pale Yellow
Light Blue
Flower Fragrance:
No fragrance
Bloom Shape:
Single
Semi-Double
Bloom Diameter:
Large - 5 to 8 inches (12 to 20 cm)
Bloom Time:
Mid Spring
Mid Fall
Late Fall/Early Winter
Sun Exposure:
Full Sun
Sun to Partial Shade
Other details:
Average Water Needs; Water regularly; do not overwater
Pruning Groups:
Group 2 - Repeat bloomers; prune immediately after flowering
Patent Information:
Unknown - Tell us
Propagation Methods:
Unknown - Tell us
Seed Collecting:
Unknown - Tell us
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