Chinese Clematis

Chinese Clematis

Clematis orientalis

Information Sheet (pdf)

Eradication Zone Map (pdf)

Colorado List B - Eradication required in areas of Jefferson County

General

• Difficult to distinguish from native clematis when plant is not flowering
• Family: Buttercup (Ranunculaceae)
• Has been sold as an ornamental but no longer available in Colorado
• Introduced from Eurasia

Habitat

• Climbs on fences, trees, etc.
• Coverage may cause trees or bushes to die
• Perennial woody vine
• Riparian corridors
• Rocky slopes near seepage

Plant

Vegetation

• Climbing vine
• Compound leaves

Roots

• Flexible and weak

Flower

• Season: Late June to August
• Yellow, bell-shaped flower

Seed

• Feathery, long-tailed seed heads
• Silky appearance

Seedling

• Germinates in spring

Reproduction

• Seed

Control

Biological

• None

Chemical

• View Information Sheet (PDF)

Cultural

• Prevention – maintain health of site

Mechanical

• Burning - N/A
• Grazing - N/A
• Mowing - N/A

Use all chemicals according to the manufacturer's label. No specific recommendation or endorsement is made or implied by listing methods or products.