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UC Master Gardeners of Monterey, San Benito & Santa Cruz Counties

Compost & Soil Preparation

Good gardeners grow good soil. It's the soil that grows the garden. 

 

Ornamental plant and strawberry plants with a trowel.
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UC Master Gardeners of Central Sierra

Master Gardeners are community members who have been trained under the direction of the University of California Cooperative Extension. Master Gardeners help the UC Cooperative Extension office provide practical scientific gardening information to the home gardeners of our counties.
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UC Master Gardeners of Placer County: Article

All About Composting

June 9, 2026
Why Should I Compost?It keeps organics from going to our landfills, thereby reducing the amount of methane gas created.It saves money by replacing purchased soil amendments.It improves soil structure (such as reducing soil compaction) by loosening clay soil and feeding the soil microbes.It increases soil…
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Tending Your Soil
UC Master Gardeners of Orange County: Event

Tending the Soil - Fullerton

Jun 24, 2026

Don't let a small space cramp your gardening style. Learn how to work with shapes, textures, and colors to create a garden that truly pops. And if you want food in a small space, we can help with that too! UC Master Gardeners of Orange County share their expert tips on soil, pest management, plants…
UC Master Gardeners of Orange County
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a pH meter with a white background.
UC Master Gardeners of Tuolumne County: Article

Why Check Soil pH First

May 30, 2026
Will your garden soil produce well? One of the best items to check is your soil pH or acidity. pH stands for the “potential of hydrogen” and is a scale that indicates whether your soil is acid or alkaline (basic). The pH scale runs from 0 to 14 with 7.0 being neutral. If your pH is below…
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Pruning out old roses with bypass pruners.

Jump into Summer with these IPM Webinars!

May 21, 2026
By Yulie Velez
Looking to keep your brain stimulated this summer? Need information about garden pests? Join us every third Thursday of the month from 12:00 to 1:00pm PST to learn about a wide range of urban pest management topics. This series is free and open to the public, but advance registration is …
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UCCE in Santa Barbara County: Event

Garden Workshop: Backyard Composting

May 23, 2026

Join Master Gardeners in a garden workshop at the Santa Maria Public Library on Backyard Composting We will cover why we should compost, how it works, what materials are needed, methods and their pros and cons, the do's and don'ts, and troubleshooting issues.  May 23, 2026 |  11AM to…
UCCE in Santa Barbara County
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UC Master Gardeners of Santa Barbara County: Event

Backyard Composting Workshop-Santa Maria Library

May 23, 2026

Join Santa Barbara Master Gardeners in learning about:Backyard CompostingWe will cover why, how, & what to compost as well as different methods and troubleshooting.Saturday, May 23, 2026, 11 am - 12 pmSanta Maria Public Library421 South McCleland StreetSanta Maria, CA 93454
UC Master Gardeners of Santa Barbara County
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someone holding worms
UC Master Gardeners of Amador County: Event

Vermicomposting: Building Your Own Worm Bin

Jun 13, 2026

Learn all about composting with worms:What worms to useHow to care for and feed themHow to set up your own worm binHow to harvest and use castingsHow to build your …
UC Master Gardeners of Amador County
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Tending Your Soil
UC Master Gardeners of Orange County: Event

Know your Soil - Anaheim

May 22, 2026

Good soil is the starting place for a smart garden.  Learn the components of soil, how to evaluate your landscape soil, and the steps you can take to enrich your soil to produce a bountiful, sustainable landscape and garden. UC Master Gardeners of Orange County will provide information to get you…
UC Master Gardeners of Orange County
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Composting bins
UC Master Gardeners of Orange County: Event

Compost Basics 101 - Anaheim

May 11, 2026

Just how does compost happen? Nature, as it recycles by decomposition, provides us with garden gold. UC Master Gardeners of Orange County will teach you why it is important to recycle organic waste, about the right balance of greens, browns, air and water, and how soon you can expect your first batch!…
UC Master Gardeners of Orange County
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cindy and compost
UC Master Gardeners of El Dorado County: Event

Central Sierra: Composting and Vermiculture | El Dorado County

Sep 26, 2026

Turn waste into a nutrient rich organic material for your garden. Join Master Gardener Cindy Young to learn how compost provides valuable nutrients for your garden soil.  Compost also helps retain moisture, which saves water, suppresses weeds, prevents soil erosion, and loosens compacted soils for…
UC Master Gardeners of El Dorado County
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