Pest Management & Plant Health

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Garden Scene Investigator - Zoom
UC Master Gardeners of Orange County: Event

Integrated Pest Management Anaheim Hills

Event Date
Jun 26, 2026

Eww, gross!  Is that what you think about those insects in your garden?   Learn multiple techniques for effective pest control that are the least toxic for your home environment.  UC Master Gardeners or Orange County will provide you with the latest information on a variety of methods to keep…
UC Master Gardeners of Orange County
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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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a bright orange flower hangs from a tall stem
UC Master Gardeners of the Lake Tahoe Basin: Event

Central Sierra: Master Gardener Plant Sale & Plant Clinic | South Lake Tahoe

Event Date
Aug 29, 2026

Bring more life, color, and resilience to your Tahoe garden.  Join the UC Master Gardeners of Lake Tahoe for a fun and informative morning. Start your day with the free plant clinic to boost your gardening know-how, then stay for the plant sale to take home hardy, Tahoe-tested plants that support…
UC Master Gardeners of the Lake Tahoe Basin
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Tomato Pests and Diseases
UC Master Gardeners of Orange County: Event

Garden Scene Investigation - Laguna Woods

Event Date
Jun 23, 2026

Sick plants. Mystery pests. Leaves that look... wrong. Before you panic — learn what Master Gardeners know. The right observation skills and a few trusted online resources can solve almost any garden mystery. You'll walk away with a diagnostic process to use every time something goes sideways in…
UC Master Gardeners of Orange County
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Gardening with Color ZOOM Encore
UC Master Gardeners of Orange County: Event

What's Bugging My Garden - Zoom

Event Date
Jun 15, 2026

Eww, gross! Is that what you think about those insects in your garden? Learn multiple techniques for effective pest control that are the least toxic for your home environment. UC Master Gardeners of Orange County will provide you with the latest information on a variety of methods to keep those bad pests…
UC Master Gardeners of Orange County
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Necrotic, chlorotic California fan palm frond pinnae infected with diamond scale.
Urban & Community IPM Webinars: Event

Pests on Palms and Other Trees

Event Date
Oct 15, 2026

Speaker: Don Hodel, Environmental Horticulture Advisor, LA County (emeritus) 
Urban & Community IPM Webinars
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Green feathery leaves surrounding base of large tree with single trunk.
Urban & Community IPM Webinars: Event

Palm Diseases

Event Date
Sep 17, 2026

In this webinar, learn about common palm diseases and the best strategies for management using an integrated approach that combines prevention, exclusion, sanitation, selection, and cultivation.
Urban & Community IPM Webinars
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Tree with oranges hanging off the branches.
Urban & Community IPM Webinars: Event

Update on Asian Citrus Psyllid in California

Event Date
Jul 16, 2026

Join citrus IPM adviser Dr. Sandipa Gautam, for an update on Asian citrus psyllid (ACP) and Huanglongbing (HLB). The webinar will also cover identification and management strategies.
Urban & Community IPM Webinars
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