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PlantFiles: Clematis
Clematis integrifolia 'Queen of Holland'

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Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info)
Genus: Clematis (KLEM-uh-tiss) (Info)
Species: integrifolia (in-teg-ree-FOH-lee-uh) (Info)
Cultivar: Queen of Holland
Hybridized by Wim Snoeijer

» View all varieties of Clematis

Group:
Herbaceous

Height:
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)

Spacing:
4-6 ft. (1.2-1.8 m)

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:
Blue-Violet

Flower Fragrance:
No fragrance

Bloom Shape:
Single
Flat

Bloom Diameter:
Medium - 2 to 5 inches (5 to 12 cm)

Bloom Time:
Mid Summer
Late Summer/Early Fall

Sun Exposure:
Sun to Partial Shade

Other details:
Requires consistently moist soil; do not let dry out between waterings

Danger:
Unknown - Tell us

Pruning Groups:
Group 3 - Summer/Fall bloomers; prune hard in early spring

Patent Information:
Unknown - Tell us

Propagation Methods:
By serpentine layering

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

Click thumbnail
to view:

By Shirley1md
Thumbnail #1 of Clematis integrifolia by Shirley1md

No details have been posted.

Regional...

This plant has been said to grow in the following regions:

Ellicott City, Maryland



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