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May 2025Archived
Field picture submitted by Elizabeth Fichtner

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Leaf discoloring due to lack of nutrients-ipm.ucanr.edu
UC Master Gardener Program of Contra Costa County: Article

My Plants Have Spots, Specks, and Odd Coloring

March 22, 2026
By Cheryl Schmidt
Do I Need to Do Something?A Season of Observation As the growing season unfolds, many gardeners begin taking a closer look at their plants, wondering whether everything is thriving as it should. Spring is often the time of year to determine whether a little help might be needed to keep our plants…
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Mosquito, ucanr.edu
UC Master Gardener Program of Contra Costa County: Article

Help Prevent Mosquito-Borne Illness In Your Community this Season!

March 22, 2026
By Andrew M Sutherland
Why a Tiny Bite Can Have Big Consequences A whining hum fills your left ear. A slight sensation on the back of your neck followed by a faint pinch of pain. SMACK! A broken and twisted long-legged insect and a small smear of red blood on your hand. Soon, the itching and swelling will start. You shrug; it…
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Tomato plants
Napa Master Gardener Column: Article

Tomato Tips

March 21, 2026
By Cindy Watter, UC Master Gardener of Napa County.   For many people, spring begins with the UC Master Gardeners of Napa County tomato sale, which will be held on Saturday, April 11, this year.   Just as the tomato sale signals spring, a ripe tomato is practically the trademark of summer. …
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UC Master Gardeners of Tulare and Kings County: Article

Aphids Spring to Life in Spring

March 21, 2026
By Bonnie Preston, UC Master Gardener of Tulare/Kings County
Signs of spring are everywhere we look: trees and shrubs are full of blossoms, flowers are bursting into bloom, bees are buzzing all around, and aphids are stacking up on rose buds. What to do?   Aphids are a common occurrence in the spring. They rapidly appear in large numbers when the weather…
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Lady beetle eating aphid. (Photo by Kathy Keatley Garvey)

The Aphid Eaters

March 20, 2026
By Kathy Keatley Garvey
 All hail the aphid eaters!Lady beetles, aka ladybugs, emerge in spring from winter hibernation, and do so with voracious appetites. Is your rose bush drawing aphids? Bring on the beetles.  The lady beetle eats some 50 aphids a day--what some may call "a 50-course meal." In it lifetime, it can…
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Row of grapevines in a vineyards. Beginning of blossoming period.
UC Ag Experts Talk Webinar Series: Event

Webinar: Impact of Grapevine Nursery Cultural Practices on Trunk Diseases

May 13, 2026

This webinar is part of the UC Ag Experts Talk series. Dr. Philippe Rolshausen, Professor Cooperative Extension Specialist in Subtropical Horticulture with the Dept. of Botany and Plant Sciences at UC Riverside, will give a general overview of production methods and disease certification program for…
UC Ag Experts Talk Webinar Series
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ANR Contracts & Grants Updates: Article

Western SARE R&E, AFRI Rapid Response, and Cal Fire Request for Proposals

March 20, 2026
By Kendra T Rose
Western Sustainable Agriculture Research and Education (SARE) 2026 Research and Education (R&E) Grant Program This grant program involves scientists, agricultural producers, and others using interdisciplinary approaches to advance sustainable agriculture at local and regional levels. With the…
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water
Stanislaus County: Article

Evapotranspiration Weekly Report 3/19/26

March 20, 2026
By Sandi L Gudino
Please find the attached document to provide the previous week’s estimated water use report in terms of evapotranspiration for almonds, peaches, walnuts, established vineyard, alfalfa, and pasture in Stanislaus County. This report may be used as a guide in your irrigation schedule for the…
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