Pests And Weeds

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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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Two individuals in protective equipment spray plants with pesticide; hoophouse setting
UC Small Farms Network: Event

(En Espanol) Prepare for the Private Applicator Certificate (PAC) licensing exam

Event Date
May 13, 2026

[Detalles del evento] Location: Online Cost: FreeThe 2026 UC ANR Pesticide Safety Training from the Small Farms Network is intended to support small-scale and diversified family farms, as well as beginning, immigrant, and refugee farmers, in applying and handling pesticides safely and effectively. This 2…
UC Small Farms Network
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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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Eco-friendly weed management for home gardeners
UC Master Gardener Program of Sonoma County: Event

Eco-Friendly Weed Management

Event Date
Feb 28, 2026

Are your weeds taking over? Would you like to control them without harsh chemicals? This Master Gardener-led class will show you how. The class will focus on sustainability based on integrated pest management (IPM) and utilizing multiple tools and practices.   
UC Master Gardener Program of Sonoma County
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Young man examines a pinkish white flower on a green shrub with a hand lens.
Urban & Community IPM Webinars: Event

Test Your Pest ID Knowledge

Event Date
May 21, 2026

Join us for this fun and interactive session where we will “quiz” attendees on look-alike pests, what’s causing plant damage, good bug vs. bad bug, weed ID, and more.
Urban & Community IPM Webinars
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A man kneeling on a lawn next to a house pouring a liquid pesticide into a plastic backpack applicator.
Urban & Community IPM Webinars: Event

Troubleshooting Pest Control

Event Date
Mar 11, 2026

Join us for this half-day webinar aimed at structural pest management professionals, where you’ll learn about troubleshooting various pests, their biology, inspection techniques, and best management practices.
Urban & Community IPM Webinars
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