Early, Large-flowered Clematis 'Gillian Blades'


Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info)
Genus: Clematis (KLEM-uh-tiss) (Info)
Cultivar: Gillian Blades
Hybridized by Fisk
Registered or introduced: 1975
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Early Large-flowered


10-12 ft. (3-3.6 m)


15-18 in. (38-45 cm)


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)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

USDA Zone 10a: to -1.1 C (30 F)

USDA Zone 10b: to 1.7 C (35 F)

USDA Zone 11: above 4.5 C (40 F)

Bloom Color:

White/Near White

Flower Fragrance:

No fragrance

Bloom Shape:


Bloom Diameter:

Large - 5 to 8 inches (12 to 20 cm)

Bloom Time:

Late Spring/Early Summer

Late Summer/Early Fall

Sun Exposure:

Full Sun

Sun to Partial Shade

Other details:

Unknown - Tell us


Unknown - Tell us

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

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us


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


San Leandro, California

Grand Junction, Colorado

Daytona Beach, Florida

Ewing, Kentucky

Brunswick, Maine

Rochdale, Massachusetts

Grants Pass, Oregon

Philadelphia, Pennsylvania

Willis, Texas

Reston, Virginia

Kalama, Washington

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Gardeners' Notes:


On Aug 15, 2006, northgrass from West Chazy, NY (Zone 4b) wrote:

I had this clematis for many years and it has done just so-so for me. Some years it has just a few flowers or none at all. Maybe I expect too much by comparing it to my "Jackmanii' which has loads of flowers for at least 2 months. Marie Boisselot also does much better than this one in my garden.
The lack of blooms may be due that it blooms on side shoots from the previous year growth, although hardy, maybe freezing temperature does not help the flower buds.


On Jan 3, 2005, mystic from Ewing, KY (Zone 6a) wrote:

This is one of my favorites. Really stands out mixed in with other colors of vines. It's a good compact climber, the early blooms are sometimes tinged with blue. It blooms in late spring and again in the fall.

This was raised my Jim Fisk of Fisk's Clematis Nursery in England. He named it after one of his secretaries. Awarded RHS Award of Garden Merit in 1993.