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UC Master Gardeners of Monterey & 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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UCCE in Santa Barbara County: Event

Soil Preparation Workshop

Event Date
Feb 7, 2026

Join the Santa Barbara Master Gardeners in a FREE workshop onSoil PreparationYou will learn about Preparing Good Soil, Testing Soil using the "Jar Test" method, as well as Soil Amendments and Mulch.February 7, 2026 | 10 am - 12 pmMesa Harmony Garden500 Dolores DriveSanta Barbara, CA 93109  
UCCE in Santa Barbara County
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person squatting in a garden showing the loamy soil there
UC Master Gardeners of Monterey & Santa Cruz Counties: Event

Regenerative Soil Techniques for the Home Gardener

Event Date
Nov 9, 2025

UC Master Gardeners of Monterey & Santa Cruz Counties invite our local community to join us to learn regenerative soil techniques that you can add to your gardening bag of tricks.Growing healthy soil helps the home gardener grow vibrant veggies and herbs, bountiful fruit trees and gorgeous flowers.We…
UC Master Gardeners of Monterey & Santa Cruz Counties
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UC Master Gardeners of Amador County: Event

Central Sierra: Vermicomposting (Jackson)

Event Date
Nov 8, 2025

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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frog in compost
UC Master Gardeners of Amador County: Event

Central Sierra: Backyard Composting (Jackson)

Event Date
Oct 25, 2025

Reduce what is sent to the landfill by turning your kitchen scraps and yard waste into garden gold! Whether you live in a home on a small lot or large rural…
UC Master Gardeners of Amador County
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Livestock & Range: Article

Compost Field Day - Hollister, CA

September 24, 2025
By Fadzayi E Mashiri
The Coalition of Food Safety & Sustainability, co-sponsored by CCOF and WGA, is hosting a Compost Field Day to explore how compost can be safely and effectively integrated into produce safety and sustainability practices. DetailsDate: Wednesday, October 15, 2025Time: 9:00 am – 12:00 pmLocation:…
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A happy gardener's hands in the soil. John Ober
The Real Dirt: Article

Nutrient Availability

September 23, 2025
To grow, plants must absorb nutrients from the soil. Not only must these nutrients be present in sufficient quantities, they must also be available for uptake by the plant. Nutrient availability is primarily determined by soil texture and pH. Soil texture is the amount of sand, silt, clay and organic…
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UCCE in Santa Barbara County: Event

Composting

Event Date
Nov 1, 2025

Join UC Master Gardeners of Santa Barbara County in a free garden workshop.CompostingSaturday, November 1, 202510 am - 12 noonThe topics being covered are: Why should we compost, How does it work, What materials are needed, Methods: pros/cons and dos/don'ts, and Trouble shooting. 
UCCE in Santa Barbara County
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UC Master Gardeners of Orange County: Document

Compost Troubleshooting Guide

Whether you're an experienced home composter or just getting started, this guide provides essential troubleshooting support for common composting challenges. When your compost pile isn't performing as expected, understanding the underlying causes and correction methods will help you restore proper balance…
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Sunlight on a tiny plant sprouting in a mound of compost
UC Master Gardeners of Monterey & Santa Cruz Counties: Event

Backyard and Worm Composting Workshop

Event Date
Sep 27, 2025

 Learn how to turn your kitchen scraps and yard trimmings into a nutrient-rich soil amendment.Workshops are FREE and bilingual. 
UC Master Gardeners of Monterey & Santa Cruz Counties
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UC Master Gardeners of El Dorado County: Event

Central Sierra: Fall Into Gardening

Event Date
Oct 4, 2025

10-Year Anniversary Celebration Fall into Gardening with the Master Gardeners at their beautiful Sherwood Demonstration Garden located in Placerville. Visitors can come for one class or stay all day. There will also be activities for kids, community booths, a delicious food truck and UCCE programs…
UC Master Gardeners of El Dorado County
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