Mendocino County
University of California
Mendocino County

Weed Science

The Weed Science program, based out of the University of California Cooperative Extension- Napa County office, holds a wealth of weed related information and is a must visit if you are looking to learn more about control tactics or identification. You can also find some important links below:

UC Weed Science Blog

  • Real weeds in artificial turf

    Added January 11, 2016
    Real weeds in fake turf. Photo credit: L.M. Sosnoskie

    A little something Lynn Sosnoskie shared with us... real weeds in artificial/fake turf.

  • Expect a big year for yellow starthistle in 2016

    Added January 8, 2016
    Yellow starthistle in Calaveras Co in 1998

    So far, this year is beginning to look like a strong El Nino weather pattern throughout much of California. The last time we had a very strong El Nino was the winter of 1997-1998. For those of you...

Photo of John A Roncoroni John A Roncoroni
Title: Weed Science Farm Advisor
Specialty: Weed Control and Vegetation Management in Perennial Crops, Covercrops and Aquatic Weed Control
UC Cooperative Extension
1710 Soscol Avenue
Suite 4
Napa, CA 94559-1315
Phone: (707) 253-4221


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