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  • Noxious Weed Identification List

    Oxeye Daisy


    (Chrysanthemum leucanthemum a.k.a. Leucanthemum vulgare)

    Info Sheet Adobe PDF Icon 

    Colorado List B 

    Eradication required in parts of Jefferson County

    Control required in other areas

    Map of Oxeye Daisy Eradication Zone Adobe PDF Icon 

    General

    • Family: Sunflower (Asteraceae)
    • Found in pastures, meadows, roadsides and in waste areas
    • It is also an agricultural weed in grain and hay
    • Introduced from Europe
    • Has been sold as an ornamental in the past

     

    Habitat

    • Herbaceous, short-lived perennial
    • Colony-forming
    • Tolerates poor soil and drought

     

    PLANT

    Vegetation

    • Stems are generally smooth
    • Leaves get smaller toward top of stem
    • Leaves are 1 1/2 to 5 1/2 inches long, usually dark green with toothed edges
    • Smelly when crushed

     

    Roots

    • Fibrous roots and short rhizomes

     

    Flower

    • White with yellow center
    • Season: June to August
    • 20 to 30 white petals
    • Single at end of branches
    • 1 to 2 inches across

     

    Seed

    • 1,300 to 4,000 seeds per plant (up to 26,000)
    • Seeds may germinate as soon as they are shed
    • Can remain dormant in soil for 39-plus years, most germinate within 6 years

     

    Seedling

    • Rosettes

     

    Reproduction

    • Seed and root fragments

     

    CONTROL

    Biological

    • None

     

    Chemical

    • Apply one of the following during early bud-growth stage (early spring to early summer):
      • Metsulfuron (Escort XP)
      • Chlorsulfuron (Telar)

     

    Cultural

    • Prevention – maintain health of site
    • Removal; make sure entire root is removed; must be repeated as new plants germinate
    • Fertilization helps desirable grasses out-compete
    • Cultivation

     

    Mechanical

    • Burning - Not effective 
    • Grazing - Goats, sheep and horses; cattle usually do not eat it (they will eat around the plants, allowing them in pastures) 
    • Mowing - Repeated mowing as soon as flowers appear 

     

    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-oxeye-daisy-leaf

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    Last Updated: 8-1-2013