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  • Jefferson County Parks Banner
  • Noxious Weed Identification List

    Chinese Clematis


    (Clematis orientalis)

    Info Sheet Adobe PDF Icon

    Colorado List B

    Eradication required in parts of Jefferson County

    Containment/Suppression required in parts of Jefferson County

    Map of Eradication Zone Adobe PDF Icon

    General

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

     

    Habitat

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

     

    PLANT

    Vegetation

    • Climbing vine
    • Compound leaves

     

    Roots

    • Flexible and weak

     

    Flower

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

     

    Seed

    • Feathery, long-tailed seed heads
    • Silky appearance

     

    Seedling

    • Germinates in spring

     

    Reproduction

    • Seed

     

    CONTROL

    Biological

    • None

     

    Chemical

    Apply one of the following to plant:

    • Escort (spring)
    • RoundUp (when growing)

     

    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. Listing the above methods or products does not imply a specific recommendation or endorsement.



    Alicia Doran
    Weed & Pest Management Specialist
    303-271-5989
    adoran@jeffco.us

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    weed-pest-b-chinese-clematis-seed

    weed-pest-b-chinese-clematis-plant


    Last Updated: 8-12-2013