Napa County UCCE
University of California
Napa County UCCE

Yellow Starthistle/Invasive Plants

Yellow Starthistle

Yellow starthisle has been a problem in rangeland for many years. It has recently been found in many vineyards.

Yellow Starthistle Management Guide
Excellent resource for starthistle biology and management options

The Guidelines cover all aspects of Yellow Starthistle including the lifecycle and grazing management.

If you still have YST questions you can contact me at or you can contact Livestock and Natural Resources advisor, Morgan Doran at or visit his web site.

Invasive Plants

California invasive Plant Council
Information on other invasive weeds

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