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May 2025Archived
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UC Master Gardener Program of Contra Costa County: Article

Soil Solarization for Healthy Soil in Four Easy Steps

May 3, 2026
By CoCoMG Helpdesk
What is soil solarization? Soil solarization is a nonchemical method for controlling soil-borne pests using high temperatures effected by capturing radiant energy from the sun. Why do it? It kills many disease-causing organisms (pathogens), nematodes, and weed seeds and seedlings.It controls…
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aphids live and mummified on gardenia bud with parasitoid wasp

How Climate Change Is Affecting Insects and Practical Tips for Gardeners

May 3, 2026
By Judy Quan
Climate Change and Weather in the Bay Area   March 2026 was one of the driest and warmest Marches in recorded history in the Bay Area. The March heat wave pushed temperatures across much of the West 3 to 9 degrees Fahrenheit above average, according to the Climate Prediction Center. In the…
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UC Master Gardener tabling event
UC Master Gardeners of San Mateo & San Francisco Counties: Event

Master Gardener Education Table at Yerba Buena Gardens

May 23, 2026

Learn about UC Master Gardeners and what we do. Stop by our table at Yerba Buena Gardens to get information on our program and the range of gardening resources we offer.Registration is not required. Photo credit: Anne Marie Tsolinas, UC Master Gardener
UC Master Gardeners of San Mateo & San Francisco Counties
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Landscape with succulents
UC Master Gardeners of San Mateo & San Francisco Counties: Event

Secrets to Successful Succulent Landscaping

Jun 18, 2026

Learn the secrets to a successful, healthy and colorful succulent landscape from Janice Moody, a local UC Master Gardener, nursery owner and garden designer.  She will discuss pre-planting considerations before you go out and buy a truckload of plants and then ponder where to put them. She will also…
UC Master Gardeners of San Mateo & San Francisco Counties
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apple tree
UC Marin Master Gardeners: Event

Backyard Fruits

May 14, 2026

Program: For those growing fruit in their backyards, come learn what, when, and where to plant fruits. Best practices recommended by the University of California Agriculture and Natural Resources for care, pruning, harvest and storage will be covered.Speaker: Anne-Marie Walker is a lifelong gardener and long…
UC Marin Master Gardeners
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Saving and swapping seeds is an ancient tradition that protects biodiversity. Photo: Marie Narlock
UC Marin Master Gardeners: Event

YMCA Spring Seed Swap

May 6, 2026

Program: Marin Master Gardeners will share seeds of flowers, vegetables and herbs.Cost: FREE
UC Marin Master Gardeners
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Closeup of child's hands holding green flowerbuds. Next to it, the words "Poway Library STEAM Kids Wednesdays 3:30 pm. UC Master Gardeners, Healthy Soils, April 8, Decomposition May 13, Seeds June 10. Learn how to become a master gardener with the UC Master Gardeners of San Diego County!" Below are the logos of UCANR Master Gardeners, Master Gardener Association of San DIego County, County of San DIego Library "Sdcl.org/poway Poway Library 13137 Poway Rd. Poway, CA 92064 858-513-2900"
UC Master Gardeners of San Diego County: Event

STEAM Kids Garden Talk: Seeds

Jun 10, 2026

Kids will learn from UC Master Gardeners all about seeds and how our plants are able to grow from these tiny bundles of wonder. Shapes, sizes, methods of travel, and ways to plant seeds will be discussed, with kids coming away with knowledge to grow!This is part of the Poway Library STEAM Kids program, a…
UC Master Gardeners of San Diego County
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Closeup of child's hands holding green flowerbuds. Next to it, the words "Poway Library STEAM Kids Wednesdays 3:30 pm. UC Master Gardeners, Healthy Soils, April 8, Decomposition May 13, Seeds June 10. Learn how to become a master gardener with the UC Master Gardeners of San Diego County!" Below are the logos of UCANR Master Gardeners, Master Gardener Association of San DIego County, County of San DIego Library "Sdcl.org/poway Poway Library 13137 Poway Rd. Poway, CA 92064 858-513-2900"
UC Master Gardeners of San Diego County: Event

STEAM Kids Garden Talk: Decompostion

May 13, 2026

Kids will learn from UC Master Gardeners all about decomposition, an important process in our garden that brings nutrition back to the soil. Learn about the tiny garden creatures that help recycle garden waste and turn it into compost, a wonderful food for our plants!This is part of the Poway Library STEAM…
UC Master Gardeners of San Diego County
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Birds in the Garden library activity for May
UC Master Gardeners of Fresno County: Event

Birds in Our Gardens- Betty Rodriguez Library

May 19, 2026

Master Gardener Classes for Children- Join us!Join Master Gardeners of Fresno County for a FREE and fun, hands-on gardening activity perfect for preschool and elementary-aged children! Each month, we explore exciting gardening topics through a short lesson, engaging books, and creative crafts.The Master…
UC Master Gardeners of Fresno County
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Birds in the Garden library activity for May
UC Master Gardeners of Fresno County: Event

Birds in Our Gardens- Fig Garden Library

May 28, 2026

Master Gardener Classes for Children- Join us!Join Master Gardeners of Fresno County for a FREE and fun, hands-on gardening activity perfect for preschool and elementary-aged children! Each month, we explore exciting gardening topics through a short lesson, engaging books, and creative crafts.The Master…
UC Master Gardeners of Fresno County
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