Garden Troubleshooting

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Three leaves with large, yellow-orange blotches that turn reddish-brown in their center
UC Ag Experts Talk Webinar Series: Event

UC Ag Experts Talk: Epidemiology and Control of the Invasive Red Leaf Blotch Disease of Almond

Event Date
Feb 18, 2026

This webinar is part of the UC Ag Experts Talk series. Dr. Florent Trouillas, Associate Cooperative Extension Specialist with the Department of Plant Pathology at UC Davis and the Kearney Agricultural Research and Extension Center, will go over the main symptoms of red leaf blotch disease in almond including…
UC Ag Experts Talk Webinar Series
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UC Master Gardeners of the Lake Tahoe Basin: Event

Putting the Garden to Bed - Late Fall Gardening | South Lake Tahoe

Event Date
Oct 11, 2025

Prepare the Garden for Healthy Spring GrowthFall is the time to prep your garden for healthy and vigorous spring growth. This free outdoor class will introduce a variety of fall gardening topics including fall planting, fall and winter watering, winter protection of garden plants and irrigation systems…
UC Master Gardeners of the Lake Tahoe Basin
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UC Master Gardeners of El Dorado County: Event

Central Sierra: Fall Into Gardening

Event Date
Oct 4, 2025

10-Year Anniversary Celebration Fall into Gardening with the Master Gardeners at their beautiful Sherwood Demonstration Garden located in Placerville. Visitors can come for one class or stay all day. There will also be activities for kids, community booths, a delicious food truck and UCCE programs…
UC Master Gardeners of El Dorado County
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garden tools
UC Master Gardeners of Amador County: Event

New Master Gardener Orientation- Jackson

Event Date
Oct 9, 2025

The New Master Gardener Orientation meeting is designed to give potential volunteers more information about the program, it's history and goals. The first step to becoming a Master Gardener is to attend one of these sessions. There are 3 dates available: In-PersonThursday, October 9th from 10:30am-12…
UC Master Gardeners of Amador County
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Irregular red or reddish-purple blotches on grape leaves, starting at the base of the shoots and progressing upward.
UC Ag Experts Talk Webinar Series: Event

Webinar: In-house Diagnostics for Disease Management: LAMP for Red Blotch Detection in Grapevines

Event Date
Nov 12, 2025

This webinar is part of the UC Ag Experts Talk series. Dr. Monica Cooper, Viticulture Farm Advisor with the University of California Cooperative Extension, Napa County, will give an introduction to grapevine red blotch virus (GRBV) including its ecology, physiological impacts, symptoms, and management. She…
UC Ag Experts Talk Webinar Series
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Small, reddish-brown insect clear wings, each with a dark spot near the tip, and a dark brown thorax with gray or black longitudinal stripes and a white crescent-shaped spot.
UC Ag Experts Talk Webinar Series: Event

Webinar: Updates on Major Olive Pests and their Management in California

Event Date
Oct 15, 2025

This webinar is part of the UC Ag Experts Talk series. Dr. Sudan Gyawaly, Area Integrated Pest Management Advisor with the University of California Cooperative Extension in Butte, Sutter-Yuba, Colusa, Glenn, and Tehama Counties, will discuss an overview of the current knowledge of major olive pests and their…
UC Ag Experts Talk Webinar Series
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Small pink and translucent mite with eight legs, four stretched to the front and four stretched back, on a pale orange surface.
UC Ag Experts Talk Webinar Series: Event

Webinar: Citrus Leprosis Threat, Mites, and Mite Management

Event Date
Aug 27, 2025

Presenters: Dr. Sandipa Gautam, Cooperative Extension Area Citrus IPM Advisor, UC Agriculture and Natural Resources; Dr. Kris Godfrey, Project Scientist, Contained Research Facility, UC Davis; Dr. Daniel Carrillo, Assistant Professor, Entomology & Nematology Department, University of Florida; Tera Pitman…
UC Ag Experts Talk Webinar Series
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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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UC Master Gardeners of El Dorado County: Event

Central Sierra: Pruning All Plants 101 (EDC MG)

Event Date
Sep 27, 2025

Pruning plants is like getting your haircut. First you need to visualize what you'd like the plant to look like long term. Just like a barber, you need to have the right tools. Then there are some dos and don'ts, proper times of the year, and some basic principles that will turn any gardener into a…
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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