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UC Master Gardeners of Orange County

UC Master Gardeners of Orange County at events

What's Going On In Our Gardening Community - Want to learn from the experts? 

 

The Master Gardeners of Orange County provide gardening information to the public. 

Our mission is to share research-based guidance on home horticulture, pest management, and sustainable landscape practices with residents of Orange County. Our website is currently in transition with additional resources and advice added daily.   

Please check back regularly for updates.

 

Join us for the UC Master Gardener Expo, Plant Giveaway & Sale

 

Master Gardeners displaying table items for controlling mosquitos
Photo credit  MG E.Neilsen

Join us for the highly anticipated Master Gardener Expo, taking place on Saturday, April 11, 2026, from 9 AM to 1 PM at the Norman P. Murray Center in Mission Viejo. This vibrant event promises an incredible array of over 1,500 plants for sale, (the first 500 families in attendance receive a free 4 inch plant!)  including your favorite native plants, delightful succulents, aromatic herbs, and even homegrown tomatoes and peppers. Plus FREE compost while supplies last.

Join us for a day filled with inspiration as you explore the diverse offerings from our dedicated vendors and engage in enlightening garden talks designed to elevate your gardening skills and knowledge. Whether you're a seasoned gardener or just starting your green journey, this Expo is the perfect opportunity to connect with fellow gardening enthusiasts and learn from experts in the field. Mark your calendars today, and get ready to immerse yourself in the joy of gardening and community!

 

 

 

 

 

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Upcoming Events

Yellow and Black bumble bee on a violet colored flower
Event Date
April 4, 2026

Monarch Nature Trail Huntington Beach

Family Volunteer Opportunity  Join us on the first Saturday of each month for a morning of outdoor fun at the Monarch Nature Trail in Huntington Beach. Learn about Orange County's butterfly…
Green seedlings growing in brown soil
Event Date
April 4, 2026

Seed Starting (Make & Take) Brea

Learn how to grow from seeds the type of plants you want to enjoy in your garden Through this hands-on experience, participants can cultivate a sense of joy and satisfaction as they nurture…
tomatoes
Event Date
April 8, 2026

Tomatoes A-Z - Huntington Beach

You could plant from dawn to dusk and still not plant every variety of tomato! Whether you are a novice or a pro, you’ll enjoy learning about tomatoes: their history and some fun facts,…
Tomato Vine with ripe tomatoes
Event Date
April 9, 2026

Tomatoes A-Z - Westminster

Imagine a world bursting with vibrant colors, tantalizing flavors, and endless possibilities—this is the extraordinary realm of tomatoes! From the countless varieties that grace our gardens to…