Weed Control

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Dense plant with dark green dissected leaves with small spherical, yellow flower heads without petals and appearing in dense uniform clusters.
UC Ag Experts Talk Webinar Series: Event

Webinar: Invasive Weed Management in SoCal — Invasive Annual Grasses, Mustards, Perennial Grasses, and Stinknet

Event Date
Aug 19, 2026

This webinar is part of an invasive weed species miniseries. Dr. Chris McDonald, UC Cooperative Extension Inland and Desert Natural Resources Advisor, will cover the biology, spread, and management of several common weeds in Southern California, including invasive annual grasses, mustards, and difficult to…
UC Ag Experts Talk Webinar Series
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Erect plant with somewhat woody stem, wings formed by the leaf bases, and yellow flowers with four petals in an irrigation ditch by a rice field.
UC Ag Experts Talk Webinar Series: Event

Webinar: Management of Ludwigia decurrens in California

Event Date
Aug 12, 2026

This webinar is part of an invasive weed species miniseries. Dr. Whitney Brim- Deforest, University of California Cooperative Extension Rice and Wild Rice Advisor, Sutter-Yuba Counties, will focus on the history of Ludwigia decurrens (winged primrose willow) in California, as well as the mapping efforts and…
UC Ag Experts Talk Webinar Series
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Scenic shot showing cloudy sky with rain in the distance. Green weeds and dry grass in the foreground with mountains in the distance.
UC Ag Experts Talk Webinar Series: Event

Webinar: Invasive Weeds Management in Intermountain NorCal

Event Date
Aug 5, 2026

This webinar is part of an invasive weed species miniseries. Thomas Getts, UC Cooperative Extension Weed Ecology and Cropping Systems Advisor (Lassen, Modoc, Sierra, and Plumas Counties), will describe the biology, impacts, and control of some of the more common and damaging invasive weed species in the…
UC Ag Experts Talk Webinar Series
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Heavy infestation of weeds in between two rows of grapevines.
UC Ag Experts Talk Webinar Series: Event

Webinar: Perennial Weed Management in Vineyards and Orchards

Event Date
Jun 3, 2026

This webinar is part of the UC Ag Experts Talk series. Jorge Angeles, Weed Management Advisor, University of California Cooperative Extension, Tulare, Kings, and Fresno Counties, will provide an overview of commonly found perennial weeds in orchards and vineyards in the San Joaquin Valley and cover key…
UC Ag Experts Talk Webinar Series
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UC Master Gardeners of El Dorado County: Event

Central Sierra: Control of Invasive and Noxious Weeds in El Dorado County

Event Date
Jun 13, 2026

These weeds displace natives, decrease wildlife habitat, and reduce recreational and land values.  Discover ways to identify, control, and report invasive weeds of county-wide concern.  Then, we will take a look at weeds commonly found in the home landscape, their culture, and control strategies.
UC Master Gardeners of El Dorado County
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UC Master Gardeners of El Dorado County: Event

Central Sierra: Starthistle (EDC MG)

Event Date
Nov 8, 2025

Come learn about this invasive weed that has taken over large portions of California’s range land and urban landscape. Learn about its origins, how it moves, why it is so difficult to control, how to overcome these difficulties, control methods, and how to design an effective control program.
UC Master Gardeners of El Dorado County
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Green alfalfa field with scattered blooms of purple flowers blowing in the wind.
UC Ag Experts Talk Webinar Series: Event

Webinar: Pest Management in Alfalfa, Small Grains, and Garbanzo Beans

Event Date
Sep 24, 2025

This webinar is part of the UC Ag Experts Talk series. Dr. Michelle Leinfelder-Miles, Delta Crops Resource Management Advisor with the University of California Cooperative Extension, San Joaquin County, will discuss the principles of Integrated Pest Management and pest management in alfalfa, small grains,…
UC Ag Experts Talk Webinar Series
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Oval-shaped insect with triangular marking on its back with membranous wings
UC Ag Experts Talk Webinar Series: Event

Webinar: Field Crop Insect and Weed Management Updates

Event Date
Aug 6, 2025

This webinar is part of the UC Ag Experts Talk series. Nicholas Clark, Associate Cooperative Extension Area Agronomic Cropping Systems and Nutrient Management Advisor, will give an introduction of agronomic cropping systems and their current weed and insect pest management challenges. He will describe…
UC Ag Experts Talk Webinar Series
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Yellow flowering shrub in a field.
Urban & Community IPM Webinars: Event

Webinar: Managing Invasive Plants

Event Date
Aug 21, 2025

In California, invasive plants cause problems such as increasing wildfire risk, damaging ecosystems, and affecting recreation activities. Join us to learn about the impacts of invasive plants and ways you can help prevent the spread of invasive plants.About the Urban and Community IPM Webinar …
Urban & Community IPM Webinars
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UC Master Gardeners of Butte County: Event

Weed ID

Event Date
May 6, 2026

This workshop explores the nature of weeds, and why it’s important to correctly identify which weeds you are battling. We’ll offer tools to help with this, including a hands-on practicum. Primary strategies for weed control are Integrated Pest Management methods; we’ll have a quick primer on chemical…
UC Master Gardeners of Butte County
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