Yellow Starthistle (Centaurea solstitialis)

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  • An annual to short-lived weed that spreads by seed only
  • Grows one to three feet tall
  • Bright yellow flower heads are about 1 inch in diameter
  • Inch-long spines form at ends of bracts under flowerheads

Flower
(click for larger view)

Leaves
  • Stems are winged, but not spiny
  • Grows along roadsides and in waste areas and grasslands
  • Pull, dig or mow at first sign of yellow flowers
  • Chemical controls are available

    • Plant    		 Please click on any picture for a larger view.
    Roots


    Sue Donaldson
    University of Nevada Cooperative Extension
    5305 Mill St. Reno, NV 89502
    (775) 784-4848  Email: sue@washoeweeds.org

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