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Clematis, Early Large-flowered Clematis 'Omoshiro'


Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info)
Genus: Clematis (KLEM-uh-tiss) (Info)
Cultivar: Omoshiro
Hybridized by Hayakawa
Registered or introduced: 1988
» View all varieties of Clematis
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Early Large-flowered


4-6 ft. (1.2-1.8 m)

6-8 ft. (1.8-2.4 m)


24-36 in. (60-90 cm)

36-48 in. (90-120 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)

Bloom Color:


Magenta (Pink-Purple)

White/Near White

Flower Fragrance:

No fragrance

Bloom Shape:



Bloom Diameter:

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

Bloom Time:

Mid Spring

Late Spring/Early Summer

Late Summer/Early Fall

Mid Fall

Sun Exposure:

Full Sun

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:

Suitable for growing in containers


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

San Leandro, California

Homer Glen, Illinois

Roslindale, Massachusetts

Polson, Montana

Omaha, Nebraska

Brick, New Jersey

Southold, New York

Elgin, South Carolina

Aberdeen, South Dakota

Loudon, Tennessee

Richmond, Texas

Willis, Texas

West Hamlin, West Virginia

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Gardeners' Notes:


On Dec 20, 2010, tootsieroll from West Hamlin, WV wrote:

I have a Clematis, purple and white, growing up a rack beside my house. It is lovely when it's in full bloom. It is always loaded with flowers.When the seeds fall off onto the porch I sweep them back into them back into the bed.


On Jun 21, 2008, incomer44 from Sheffield,
United Kingdom (Zone 8a) wrote:

Impressive flowers. This is its second year and it has had 8 flowers and looks much healthier than it did the first year, when it only managed two flowers. We have other clematis cultivars which seem more vigorous than this, but this one has the most impressive flowers.


On Apr 1, 2008, JeanneTX from Willis, TX (Zone 8b) wrote:

Clematis "Omoshiro" is a stunning clematis...a Must have for anyone's garden..seems very vigorous for it's first year for me..