Archive Nut, Prune and Olive Programs

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ransmission electron micrograph of Wolbachia within an insect cell. (Wikipedia)
Bug Squad: Article

A Powerful Biological Tool for Targeting Mosquitoes?

April 30, 2026
By Kathy Keatley Garvey
 A powerful biological tool for targeting mosquitoes?UC Chancellor’s Postdoctoral Fellow Lyna Ngor of the UC Irvine Department of Ecology and Evolutionary Biology, will discuss "Exploring Flower-Mediated Wolbachia Transmission: A Self-Sustaining Approach to Mosquito-Borne Disease Control" at the UC…
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Large brown succulent with a stemmed orange flower growing from the center. Succulent is planted in a rock garden.
UC Master Gardeners • Napa County: Event

Succulents: Out of the Pots, Into the Ground!

Event Date
Jul 25, 2026

Join Master Gardeners to learn how to integrate succulents into your garden plan.Master Gardeners will explore the ecological and environmental benefits of succulents in your garden. Learn how to create a beautiful garden by putting these amazing and versatile plants to work, transitioning them from…
UC Master Gardeners • Napa County
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Large, drought resistant shrubs planted in rocks.
UC Master Gardeners • Napa County: Event

Plan and Create a Native, Low-Water, Pollinator or Succulent Garden

Event Date
Jun 27, 2026

The Las Flores Learning Gardens in north Napa is a premier demonstration site featuring California natives, pollinator-friendly plants, low-water/low-maintenance landscaping, and succulents. In partnership with the City of Napa, Master Gardeners transformed once-weedy areas into beautiful gardens for…
UC Master Gardeners • Napa County
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UC Master Food Preservers of Central Sierra: Article

Preserve it! Series: Who to Call on Thanksgiving for those Big Bird Questions

April 30, 2026
Pressing T-Day turkey questions need fast answers! It’s the big day, you’re wrangling the big bird (and many other things), and YIKES, you have a question about how to defrost it or cook it or stuff it or whatever. If you don’t have a knowledgeable friend or family member around, who do you turn to?…
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Monarch butterfly resting in the center of a pink flower.
UC Master Gardeners • Napa County: Event

Library Talks: The Monarch Project - Be A Butterfly Angel

Event Date
Aug 6, 2026

Learn how to help support our declining population of Western Monarch Butterflies.Napa County plays an important role in the breeding and migration paths of the Western Monarch Butterfly.  Join the UC Master Gardeners to learn about the population dynamics of this beloved pollinator, and see what you…
UC Master Gardeners • Napa County
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UC Master Food Preservers of Central Sierra: Article

Preserve it! Series: How to Calibrate a Food Thermometer

April 30, 2026
A thermometer is only helpful if it's accurate  A kitchen thermometer is one of the best tools to have on hand to ensure quality and safety when cooking and preserving. They come in a variety of types, from dial-stem meat thermometers to glass candy thermometers to digital thermometers with wireless…
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UC Master Food Preservers of Central Sierra: Article

Preserve it! Series: Acidifying Tomatoes

April 30, 2026
Added acid is always required when canning tomatoes Once upon a time, tomatoes were considered a high-acid fruit. But research has since shown that they are, in fact, variable in acidity, with pH levels sometimes going higher than 4.6, the dividing line between high-acid and low-acid foods – and the…
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UC Master Food Preservers of Central Sierra: Article

Preserve it! Series: How to Safely Can Previously Frozen Tomatoes

April 30, 2026
Canning previously frozen tomatoes is not safe in all situations When your vines are producing tomatoes like crazy (or the farmers markets have end-of-season bargains that are simply too good to pass up), keeping up with canning them before the fruits become overripe or spoil can be a challenge…
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Get AssistanceFor the fastest support, please use the following channels based on your needs:General Support: For questions not covered in our training topics, email iwp@ucanr.edu.  Note: Response times may be delayed due to high demand.Bugs & Issues: First check the Known Issues page. If your issue…
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