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May 2025Archived

 

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A large crowd sits in chairs facing a large outdoor movie screen set up in front of a barn-like building.
UC Master Gardeners of San Diego County: Event

Ask-A-Master Gardener at Coastal Roots Farm Film & Music Series

Aug 27, 2026

Bring your gardening questions to our Ask-A-Master Gardener booth at this Coastal Roots Farm Film & Music event.Join in for an evening of community, live music, and transformative storytelling. Part of the 5-part Farm Film & Music Series, this event invites guests to gather under the stars and engage…
UC Master Gardeners of San Diego County
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Ceanothus silk moth, Hyalophora euryalus, feeding on manzanita.

Rearing Ceanothus Silk Moths

June 17, 2026
By Kathy Keatley Garvey
 What an intriguing project! Several of us, including Tabatha Yang, education and outreach coordinator of the Bohart Museum of Entomology, UC Davis, and researcher Brittany Kohler of the Phil Ward and Elizabeth Crone labs, are rearing caterpillars of the Ceanothus silk moth, Hyalophora euryalus…
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A large crowd sits in chairs facing a large outdoor movie screen set up in front of a barn-like building.
UC Master Gardeners of San Diego County: Event

Ask-A-Master Gardener at Coastal Roots Farm Film & Music Series

Jun 25, 2026

Bring your gardening questions to our Ask-A-Master Gardener booth and we will help find research-based answers!Afterwards, watch the powerful new documentary Groundswell, from the creators of Kiss the Ground and Common Ground and winner of the Golden Globe Prize for Documentary at Cannes, travels across five…
UC Master Gardeners of San Diego County
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ACP Adult

ACP Survey

June 17, 2026
By Bodil N Cass
UC ANR Asian Citrus Psyllid Distribution & Management Website Evaluation SurveyWe are currently updating the UC ANR Asian Citrus Psyllid Distribution and Management Website, available here to review before this survey: https://ucanr.edu/site/asian-citrus-psyllid-distribution-and-management…
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pallid bat

Bats in MY Trees?

June 17, 2026
By Ben A Faber
Bats provide natural insect pest control to California’s agriculture and urban areas. While multiple studies have been conducted on what bats eat in other parts of the United States there is lacking research on what time of the year bats provide the most pest control services. Additionally, of the research…
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earwig

Hydrogels and Earwigs

June 17, 2026
By Ben A Faber
A recent study published in the Journal of Economic Entomology evaluated the use of insecticide-infused hydrogel baits for managing European earwig in California citrus orchards. The work, titled “Efficacy of insecticide-infused hydrogel baits in managing European earwig in citrus” , represents one of the…
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blight

Avocado Branch Canker

June 17, 2026
By Ben A Faber
Avocado branch canker disease (ABC) is an increasing concern in orchards across Southern California and in other avocado-growing regions worldwide. This fungal disease can reduce productivity in infected trees and, in severe cases, lead to branch dieback and even tree loss. The fungi involved belong to the…
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ag solar

CA Irrigation and Energy Costs

June 17, 2026
By Ben A Faber
More than half of all California farmland now runs on drip or micro irrigation. That transformation is a genuine water efficiency win. But growers, advisors, and policymakers mostly missed a side effect: farm electricity use has not fallen. In many cases it has risen, and electricity rates have roughly…
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shot hole borer

The Beetles That Could Threaten California’s Avocados

June 17, 2026
By Ben A Faber
In 2012, avocado growers were presented with the news that a newly discovered invasive beetle, named the polyphagous shot hole borer (Euwallacea fornicatus), could play havoc with production in Californian groves. Native to southeast Asia, the new arrival was a species of ambrosia beetle, a small weevil that…
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