Ongoing research

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Manzanita in bloom
UC Master Gardener Program of Contra Costa County: Article

Pruning Native Plants

December 21, 2025
By Robin Mitchell
Plants native to California are adapted to our Mediterranean climate, which is characterized by cool, rainy winters and warm, dry summers. Therefore, the primary growing season for many species is winter, when it is moist. And the dormant period for many natives is then in the summer, when it is hot and dry…
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Five headshots
ANR Employee News: Article

Five new faculty join AES at UC Merced, UC Santa Cruz

December 21, 2025
By Katherine Webb-Martinez
Five new AES faculty joined the founding nine AES faculty at UC Merced and UC Santa Cruz campuses: Joshua Garcia, Andrea Joyce, Crystal Kolden, Madeleine Fairbairn and Pallab Sarker.
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Scrabble game tiles
HOrT COCO-UC Master Gardener Program of Contra Costa: Article

The Most Frequently Asked Questions

December 21, 2025
By Help Desk Team
Every year hundreds of questions come to the Help Desk, a UC Master Gardener project designed to bring information about sustainable gardening to Contra Costa residents. At the Help Desk, a team of Master Gardeners answers questions about insect problems, plant diseases and how to manage the ever-pesky…
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Winterizing Patios and Decks_Shutterstock
UC Master Gardener Program of Contra Costa County: Article

Winterizing Patio Container Gardens for Small Spaces Gardening

December 21, 2025
By David George
With winter’s chill in the air, it’s essential to prepare your container patio garden to withstand cold weather. Start by moving the most sensitive, smaller plants inside the house or in wind-sheltered wall nooks to take advantage of the extra warmth. Insulate larger pots by wrapping them with burlap, bubble…
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new garden with small plants and planting in progress
UC Master Gardener Program of Yolo County: Event

Starting a Garden From Scratch

Event Date
Jan 8, 2026

Whether you’re working with bare soil, new build construction or even renovating an overgrown space, Janey Santos, UC Master Gardener of Yolo County walks you through the process of building a garden foundation that lasts. Learn how to assess your site, plan your layout, and choose plants that thrive in our…
UC Master Gardener Program of Yolo County
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Swiss chard
UC Master Gardener Program of Yolo County: Event

Succession Planting and Hot Weather Greens

Event Date
May 2, 2026

Kitchen Garden Chat is presented by Treva Valentine, UC Master Gardener of Yolo County.  She will be talking about succession planting and hot weather Greens. Kitchen Garden Chats, held the first Saturday of each month, are free and open to anyone who wants to get more to eat from their garden…
UC Master Gardener Program of Yolo County
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Transplanting Brassicas
UC Master Gardener Program of Yolo County: Event

Hardening Off Seedlings and Soil Temperature Requirements

Event Date
Apr 4, 2026

Joint UC Master Gardener of Yolo County, Treva Valentine's Kitchen Garden Chat to talk about hardening off seedlings and soil temperature requirements. Kitchen Garden Chats, held the first Saturday of each month, are free and open to anyone who wants to get more to eat from their garden throughout the year…
UC Master Gardener Program of Yolo County
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soil testing container
UC Master Gardener Program of Yolo County: Event

Seed Starting and Damping off, Soil testing, and Soil Preparation

Event Date
Mar 7, 2026

Join UC Master Gardener of Yolo County, Treva Valentine's Kitchen Garden Chat to talk about seed starting and damping off, soil testing, and soil preparation. Kitchen Garden Chats, held the first Saturday of each month, are free and open to anyone who wants to get more to eat from their garden throughout the…
UC Master Gardener Program of Yolo County
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Plant label instructions
UC Master Gardener Program of Yolo County: Event

Reading Seed Packets, Frost Dates, and Determining Seed Viability

Event Date
Feb 7, 2026

Join UC Master Gardener of Yolo County, Treva Valentine's Kitchen Garden Chat on Zoom to learn about reading seed packets, understanding frost dates and determining seed viability of stored seeds.  Kitchen Garden Chats, held the first Saturday of each month, are free and open to anyone who wants to get…
UC Master Gardener Program of Yolo County
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