Rangelands

UC Environmental Stewards: Event

CalNat Stewards of the Coast and Redwoods course

Event Date
Jan 12, 2024 - Jan 21, 2024

Full Course Website: https://calnat.ucanr.edu/Take_a_class/Stewards/ Stewards is pleased to announce a new UC California Naturalist Certification Program.
UC Environmental Stewards
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UC Cooperative Extension San Diego County : Event

Virtual Produce Safety Alliance Grower Course

Event Date
Dec 5, 2023 - Dec 6, 2023

2 Day Virtual PSA Grower Trainings Date: December 5 - 6 (Register by November 14) Time: Day 1: 12pm-4:30pm Day 2: 12pm-4:30pm Cost: $50 Contact: Contact Person: Erin DiCaprio Phone: 530-752-6594 OR Contact Person: Ariana Reyes Email: aireyes@ucanr.edu This training course covers seven modules.
UC Cooperative Extension San Diego County
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Collage of an outdoor water education activity at the OC Children’s Water Festival. A presenter demonstrates a water filtration system to students seated under a tent, while children raise their hands, complete worksheets, and create a “My Water Promise” board. Close-up images show a layered filtration column and jars of water at different treatment stages. School buses and the outdoor setting are visible. Center text reads “Water Cleaning Investigation: From Dirty to Cleaner Water” with a subtitle about ha
Water Supply Security (WSS): Article

Inspiring Young Water Stewards Through Hands-On Learning at the 2026 OC Children’s Water Festival

April 23, 2026
By Esther N Lofton
Inspiring Young Water Stewards Through Hands-On Learning at the 2026 OC Children’s Water Festival💧 Hands-On Learning in Drinking Water TreatmentApril 15–16, 2026 | Oak Canyon Park, Orange County, California On April 15 and 16, 2026, Oak Canyon Park in Silverado, California, came alive with the energy of…
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A small grey beetle with a long snout that curves downward standing on a green yellow starthistle leaf.
Pests in the Urban Landscape: Article

The Good Bugs That Control Invasive Pests (Part 2)

April 13, 2026
By Lindsey Hack
In Part 1 of this story, we covered some basics of biological control. Now let’s talk about some of the good bugs helping to control invasive pests in California. Controlling yellow starthistle one weevil at a time Yellow starthistle (or YST) is a harmful invasive plant that is established and…
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A small black and orange insect with a somewhat long, spiky body crawling on a leaf.
Pests in the Urban Landscape: Article

The Good Bugs That Control Invasive Pests (Part 1)

April 9, 2026
By Lindsey Hack
You have probably heard about the “good bugs” that eat pest insects around your home and garden, like ladybugs, lacewings, and spiders. You may have even purchased some beneficial insects or nematodes at a garden store. Good bugs can also help us manage invasive species, but the process is a bit more…
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UC Master Gardeners of the Lake Tahoe Basin: Collection

Lake Tahoe Basin | Articles

Articles by the UC Master Gardeners of the Lake Tahoe Basin contain information and lessons about gardening in the region, and are based on the best science and research as well as experience of the area's Master Gardeners. 
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A hydroponic growing rack of strawberries.
UC Master Gardener Program Statewide Blog: Article

Opening the Door to Gardening in Small Spaces with Hydroponics

April 6, 2026
By Kristian M Salgado-Jacobo
What if fresh vegetables could be grown without soil and in spaces as small as an apartment balcony? That question inspired the UC Master Gardener Program of Orange County’s innovative hydroponics project, which earned first place in the 2026 Search for Excellence competition. UC Master Gardener volunteers…
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Livestock guardian dog surrounded by sheep
Ranching in the Sierra Foothills: Article

Musings on Livestock Guardian Dogs

April 3, 2026
By Daniel K Macon
 If you've followed Ranching in the Sierra Foothills for very long, you'll know that I've written about livestock guardian dogs (LGDs) frequently. I've owned LGDs for 20 years; I've researched their effectiveness and behavior for nearly 9. As a sheep (and recently, goat) producer in the Sierra foothills…
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Hand-planting seeds in rich soil with seedlings in the background
UC Master Gardeners of Monterey & Santa Cruz Counties: Article

April Direct Sowing in the Monterey Bay Area

April 1, 2026
By Denise Pinard
 April Direct Sowing in the Monterey Bay Areaby Delise Weir April is the "sweet spot" for gardeners in the Monterey Bay area.With the frost risk behind us and an unseasonably warm spring heating the soil, you can skip the plastic pots and indoor grow lights. Planting seeds directly into your garden…
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raised bed filled with onion seedlings and a person holding the side of the bed wearing a read sweater.
UC Master Gardener Program: Page

Seed Germination Temperature and Timing

Soil Temperature Conditions for Vegetable Seed GerminationMany internal and environmental conditions influence seed germination: seed condition, water availability, sufficient air, soil conditions, and temperature. The chart below lists the optimum soil temperatures at which they do best. This does not mean…
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