Photo by Melody

PlantFiles: Sugarbowl Clematis, Scott's Clematis
Clematis hirsutissima var. scottii

Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info)
Genus: Clematis (KLEM-uh-tiss) (Info)
Species: hirsutissima var. scottii

Synonym:Clematis scottii
Synonym:Clematis douglasiana var. scottii
Synonym:Coriflora scottii
Synonym:Viorna scottii

» View all varieties of Clematis

One vendor has this plant for sale.

3 members have or want this plant for trade.


18-24 in. (45-60 cm)

15-18 in. (38-45 cm)
18-24 in. (45-60 cm)

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:
Medium Blue
Dark Blue

Flower Fragrance:
No fragrance

Bloom Shape:

Bloom Diameter:
Small - less than 2 inches (5 cm)

Bloom Time:
Mid Spring
Late Spring/Early Summer
Mid Summer

Sun Exposure:
Full Sun
Sun to Partial Shade

Other details:
Drought-tolerant; suitable for xeriscaping

Unknown - Tell us

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

Patent Information:
Unknown - Tell us

Propagation Methods:
From herbaceous stem cuttings
From seed; direct sow outdoors in fall

Seed Collecting:
Bag seedheads to capture ripening seed
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored

Click thumbnail
to view:

By peachespickett
Thumbnail #1 of Clematis hirsutissima var. scottii by peachespickett

By plumsugar
Thumbnail #2 of Clematis hirsutissima var. scottii by plumsugar

By Todd_Boland
Thumbnail #3 of Clematis hirsutissima var. scottii by Todd_Boland


2 positives
No neutrals
No negatives

Gardeners' Notes:

Positive peachespickett On Apr 16, 2008, peachespickett from Huntington, AR wrote:

Growing this plant in sandy loam, semi-shaded spot in Western Arkansas. Is 2 years old but has not flowered yet, grows slowly.

Positive mgarr On Apr 30, 2005, mgarr from Hanover Twp., PA (Zone 6a) wrote:

This one takes a while to get started. At maturity the flowers are very interesting and different for a clematis. The foliage is glaucous. It's only draw back is that it needs support. Native to the Rocky Mountains.


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

Ridgway, Colorado
Elizabeth City, North Carolina
Chiloquin, Oregon
Wilkes Barre, Pennsylvania
Salt Lake City, Utah
Great Cacapon, West Virginia

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