UC Weed Science

Join UC Cooperative Extension for a FREE online workshop.

Do you want to control your rangeland weeds without using herbicides? Check out the new manual called, Best Management Practices for Non-Chemical Weed Control, a collaboration between the University of California Cooperative Extension and California Invasive Plant Council.

If you don't already have a copy of Weeds of California and Other Western States, here's your chance to get it at lowest price I've seen: $45.00 (this price is good through May 6, 2021.

Yellow Starthistle is a plant of Old-World origin that arrived in California in the mid 1800's. It is believed that it made its way to California in contaminated alfalfa seed from Europe.

From Farm Progress (https://www.farmprogress.com/weeds/international-effort-combat-crop-threatening-weeds) ************** Anne Manning | Apr 22, 2021 Every multi-acre farmer and backyard gardener knows weeds are a constant, formidable foe of successful plant production.