Ongoing research

The brilliant red leaves of a Japanese maple on an autumn day. J.C. Lawrence
The Real Dirt: Article

The Season of Bright Leaf Color

November 10, 2025
For many of us in the North State, Autumn is our favorite time of year. The heat of summer is past, and deciduous trees put on a spectacular show of deep reds, yellows, and oranges. The intensity of this show, however, is not consistently the same each year. What makes the colors of autumn leaves vary in…
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Families using microscopes to study organisms in UC Davis workshop.
Bug Squad: Article

Incredible Workshop on 'Life Begins in Water'

November 10, 2025
By Kathy Keatley Garvey
 If you and your family love science--who doesn't?--be sure to participate in the free workshop, “Life Begins in Water: A Workshop on Restoring Healthy Wetland Communities,”  on Saturday, Nov. 15 at Capay Open Space Regional Park, Yolo County.UC Davis entomologist Geoffrey Attardo is leading the…
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Stanislaus County: Article

Evapotranspiration Report - 11/07/25

November 10, 2025
By Adrienne A Tompkins
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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HOrT COCO-UC Master Gardener Program of Contra Costa: Article

Tree Health and Pruning Concerns? Where to Turn

November 10, 2025
By Help Desk Team
  If you have a tree showing signs of distress and are concerned about its overall health or safety, whether it be the cornerstone of your landscape or simply an old friend, you will want to know what is happening and how to fix it. This article will explain some options on where to turn.UC Master…
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veggies
UC Master Gardeners of Ventura County: Event

Prepare for your Summer Vegetable Garden/Santa Paula

Feb 8, 2026

PREPARE FOR YOUR SUMMER VEGETABLE GARDENCome learn what and how to plant your summer vegetable garden so that you can put healthy vegetables on the table for the spring and summer months. The workshop features information on how to select vegetables that thrive best in the spring and summer. Taught by…
UC Master Gardeners of Ventura County
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Colorful seed packets on a brown wooden background. Packets are Tomato, Chives, Broccoli, Lettuce, Hot Peppers, Salad Scallions, and Peppers
UC Master Gardeners • Napa County: Event

Start Your Own Vegetable Seedlings

Jan 10, 2026

Starting your own vegetable seeds for later transplant is rewarding and easy. Join Napa County Master Gardeners for a hands-on workshop and be prepared for the spring and summer growing season. We’ll cover all the basics, including proper moisture, temperature and light for successful seed-starting and…
UC Master Gardeners • Napa County
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brown garden snail
UC Marin Master Gardeners: Article

Slugs & snails

November 10, 2025
 During the spring and fall, when Marin County gets rain, slugs and snails are a constant presence in my West Marin garden.  Much to my chagrin, according to the University of California’s Integrated Pest Management (IPM) program, snails and slugs are among the most destructive pests found in…
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note taking
Grown in Marin: Event

Water Rights Reporting Office Hours in Rohnert Park

Nov 19, 2025

Technicians from CA Division of Water Rights will demonstrate the new CalWATRS online system for filing your annual water right reports.Sessions begin with an optional short demonstration of CalWATRS so participants can see the new system and how to enter your annual diversion data. The demo will be followed…
Grown in Marin
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