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Clematis columbiana
Clematis columbiana (Nutt.) Torr. & A. Gray
Rock Clematis
Ranunculaceae (Buttercup Family)
Synonym(s):
USDA Symbol: clco2
USDA Native Status: L48 (N)
A slender-stemmed, sometimes creeping, semi-woody perennial that may attain a length of 10-12 ft. The nodding, blue to reddish-purple flowers are solitary on short branches from the axils of three-parted leaves. Flowers are followed by a fragile, plumed seedhead.
An excellent garden plant for areas east of the Cascades.
Plant Characteristics
Duration: PerennialHabit: Vine
Leaf Retention: Deciduous
Fruit Type: Achene
Size Notes: Stems climbing or trailing, up to about 12 feet long.
Bloom Information
Bloom Color: White , Blue , PurpleBloom Time: Apr , May , Jun , Jul , Aug , Sep , Oct
Bloom Notes: Rarely white. Occasionally flowers in fall on new growth.
Distribution
USA: AZ , CO , ID , MT , ND , NM , OR , SD , TX , UT , WA , WYNative Distribution: E. of the Cascades from B.C. to n.e. OR, e. to Alt., MT & CO
Native Habitat: Wooded or open areas, often on talus slopes
Growing Conditions
Light Requirement: Part ShadeSoil Moisture: Dry
Soil Description: Dry to moist soils.
Conditions Comments: An excellent garden plant for areas east of the Cascades.
Find Seed or Plants
View propagation protocol from Native Plants Network.
Bibliography
Bibref 841 - Native Alternatives to Invasive Plants (2006) Burrell, C. C.Search More Titles in Bibliography
Web Reference
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resources
USDA: Find Clematis columbiana in USDA PlantsFNA: Find Clematis columbiana in the Flora of North America (if available)
Google: Search Google for Clematis columbiana
Metadata
Record Modified: 2023-05-04Research By: TWC Staff