Ongoing research

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UC Master Gardener Program of Contra Costa County: Page

2026 Great Tomato Plant Sale

The Great Tomato Plant Sale is our huge event where we sell thousands of spring veggie seedlings to our community. Get all the information on this page.
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A wooly bear caterpillar at Bodega Bay. (Photo by Kathy Keatley Garvey)
Bug Squad: Article

Rick Karban and the Wooly Bear Caterpillars of Bodega Bay

January 15, 2026
By Kathy Keatley Garvey
 Ever seen the wooly bear caterpillars at Bodega Head, Sonoma County?UC Davis Distinguished Professor Emeritus Richard “Rick” Karban of the Department of Entomology and Nematology has studied the population dynamics of these caterpillars at the University of California Bodega Marine…
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Black biochar on a forest floor.
Forestry Research and Outreach: Event

FREE Webinar: Biochar Applications for Forest Landowners

Feb 25, 2026

Join UC ANR's Forest Stewardship program for a special session focusing on biochar applications!This webinar will feature speakers Cindy Chen, UC ANR Woody Biomass Advisor; Nadia Hamey, Registered Professional Forester; and Kenneth Scherer, Executive Director of the Biochar Coalition.Join the webinar to…
Forestry Research and Outreach
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UCCE Humboldt - Del Norte Counties: Page

Returning 4-H Adult Volunteers

Re-apply annually by December 1stAll 4-H volunteers must be appointed annually. If you are a current 4-H Adult Volunteer, to continue in the next year you need to re-apply and be re-appointed by December 1st to continue with no break in service. 1. Update your ZSuite profileLog in to your existing …
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Grove of giant sequoia trees post-wildfire. Photo displays standing dead trees with grass beneath.
Forestry Research and Outreach: Event

FREE Webinar: Post-Fire Resilience in Giant Sequoias

Feb 12, 2026

Join UC ANR's Post-Fire team for a webinar all about giant sequoias post-wildfire!This free learning opportunity will feature the latest research from UC Berkeley Cooperative Extension Specialist Kristen Shive. Join to learn more about:Sequoia adaptations to fire and impacts of modern wildfiresManaging…
Forestry Research and Outreach
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UCCE Humboldt - Del Norte Counties: Page

New 4-H Volunteer Appointment Process

 Process to become a new 4-H Adult Volunteer 1. Find a clubSee our list of clubs to find one near you. You can also email Kaylin Nylander or call her at (707) 445-7351 for help in finding or choosing a club. Contact the club leader to learn more about the volunteer opportunities…
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2026 Rice Grower Meeting (jpg)
Cooperative Extension, Sutter-Yuba Counties: Event

2026 Rice Grower Meetings

Jan 22, 2026

🌾 2026 Rice Grower Meetings 🌾Join UC Cooperative Extension and partners for a series of Rice Grower Meetings, January 21–23, held in Richvale, Willows, Colusa, Yuba City, and Woodland. Get the latest updates on rice varieties, fertility, weeds, pests, diseases, drones for pesticide application, and county ag…
Cooperative Extension, Sutter-Yuba Counties
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A Gallery of Backyard Avocado Symptoms

January 15, 2026
By Ben A Faber
I recently got a request from an avocado tree guardian who had just a few trees left from a once flourishing orchard in Carpinteria.  There only a few trees left and they were struggling.  I was asked to diagnose them from images that were sent.  Here they are and my diagnosis.  Old trees…
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UC Small Grains Blog: Article

Next week! Integrated Water and Nitrogen Management Trainings

January 15, 2026
By Mark E Lundy
SSJV Water Quality Coalitions are excited to offer FREE one-day training events through their joint Management Practices Evaluation Program (SSJV MPEP) and in cooperation with UC Cooperative Extension. The training will be held January 20, 21, and 22 at three locations in the San Joaquin Valley. It is…
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