The University of California 4-H Youth Development Program serves youth and teens in 57 of 58 California counties through traditional clubs, after-school programs, state-wide leadership conferences and camps. As the largest, non-profit youth organization in the country, 4-H has a proven history of making…
This website was created to increase access to California agricultural nutrient management resources and serve as a platform for conversations on important nutrient management issues.
Welcome to the UC Master Gardener community! Since 1980, the UC Master Gardener Program has helped deliver the University of California's pioneering research directly into the hands of those who share a passion for gardening and environmental stewardship.
The mission of the Sierra Cascade Intensive Research Co-Op is to conduct applied reforestation and young stand management research from seed collection to the first commercial thinning focusing on intensive silviculture of conifer species and how they interact with their biotic and abiotic environme...
ANR uses various types of vehicles in its daily operations. These vehicles may be University-owned, leased, provided by our County partners, or acquired through the Federal Excess Property Program.
Newsletter Sign Up Visit Our Twitter Page for More Current News Project Learning Tree uses trees and forests as windows on the world to increase students understanding of the environment and actions they can take to conserve it.
UCCE Master Food Preservers of Orange County mission "To teach research-based practices of safe home food preservation to the residents of California."
Hilgardia was the primary technical publication of University of California Division of Agriculture and Natural Resources for 70 years, published from 1925 to 1995. Now digitized, the information in Hilgardia is freely available to scholarly and lay readers.
This bi-lingual UC website is designed to help growers and pest control advisors identify chemical injury as well as physical and physiological disorders associated with strawberry production. Illustrations and photographs depict disorders found in strawberry production fields.
The Agricultural Ombudsperson is here to help agricultural producers navigate the permitting process, and facilitate meetings between the different county, state and federal agencies. The fact sheets outline regulatory requirements for the specified activity.
I recently met with Scott Brayton, the Major Gifts Officer at UC Davis, and Dawn Kooyumjian, our Contra Costa County UC Master Gardener Coordinator, last year after inquiring whether we had a legacy/major gift program. We do! It is a wonderful way to give back to the UC Master Gardener program and is…
Photos provided by Phil Quinlan The Gehringer Native Plant Garden, designed, installed, and maintained by UC Master Gardeners, showcases California native plants that attract pollinators and thrive in Concord’s hot summers. It demonstrates how hardy, water-conserving plants can be used in homes, schools…
Dorothy Abeyta's Expert Approach to Fire Blight Dorothy Abeyta, a UC Master Gardener, frowned as she examined the sprawling pear tree. She quickly diagnosed the problem: fire blight. She explained, "It is a biotic disease caused by bacteria that overwinter, then become active in the spring. First signs…
Recently, the Contra Costa UC Master Gardener Help Desk received the following concern about the deer population in Walnut Creek. “I think the deer population has changed due to the climate crisis. I’ve lived here in Walnut Creek next to John Muir Medical Center for 35 years,” a local gardener wrote in.“They…
Photos by Simone Adair I had intended to write a piece about our December Recognition Event, a recap of all the happenings, presentations and details. The more I thought it over, the less I could come up with to write down. But less is more ~ and I rather think it would suffice to say in…
In mid-January, at the Low Water Use Demonstration Garden in Richmond, I started digging up a large area of wild onions, the personal bane of my work there. I hardly noticed the small shrub nearby. It wasn’t until a few weeks later, still digging up the wild onions, when it began to leaf out with…
Photos by UC Master Gardeners Ask a Master Gardener (AAMG) started its season in March 2026. AAMG is unique in that we reach Contra Costa County residents as they go about their lives at Farmers Markets, Our Garden and single–day events throughout the county. Our season runs from March to October.Five…
Bats! Learn everything you always wanted to know about these fascinating creatures from Dr. Shahroukh Mistry, an expert on bat biology. Dr. Mistry teaches in the biology department at Butte College, and his current research is on Acoustic Monitoring of Bat Diversity and Activity in Northern California, and…
Don’t just plant a native plant garden, create a habitat that supports birds throughout the year. In this workshop we will discuss the bird species you can expect to attract year-round; the best plants for them; and how to arrange different types and sizes of plants in order to provide food, shelter,…
In this class, we will discuss many different kinds of herbs and edible flowers - exploring how to grow, propagate and use them in cooking. In addition, since many of these plants can be beneficial for bees, we'll cover the basic habitat requirements of bees and how the herbs we grow can support them. Herbs…
UC Master Gardeners of San Mateo & San Francisco Counties
