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  2. Washington State Noxious Weed Control Board

    • Puncturevine is a toxic plant and a serious weed in pastures, roadsides, waste places and cultivated fields. The spines of the fruit can cause damage to animals and people. It's sharp spines can puncture bicyc… See more

    Where Does It Grow?

    Puncturevine is found in pastures, roadsides, waste places, parks, agricultural areas. Please click hereto see a county level distribution map of puncturevine in Washington.… See more

    Washington State Noxious Weed Control Board
    How Does It reproduce?

    Puncturevine reproduces by seed, which typically germinate from April to October, … See more

    Washington State Noxi…
    How Do I Control It?

    Puncturevine spreads by seed so controlling plants prior to seed production is critical to prevent further seed entering the seedbank. When working in puncturevine infestations… See more

    Washington State Noxious Weed Control Board
    For More Information

    See our postcardfor early detection information about puncturevine. Weed Report from the book Weed Control in Natural Areas in the Western United States. See our br… See more

    Washington State Noxious Weed Control Board
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