UC Master Gardener Program of Alameda County

Annual Plant Sale

We're excited to host two plant sales in Alameda County this year!

4/11 and 4/12, we're in Pleasanton
4/25, we're in Oakland

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About the Master Gardeners of Alameda County

The UC Master Gardener Program of Alameda County is here to support you in growing thriving plants and sustainable gardens. Our trained volunteers provide free, science-based gardening advice and education to residents throughout the county. Whether you're a beginner or an experienced gardener, we’re here to help!

Find us at:

Farmers Markets – Get your gardening questions answered by our experts at local farmers markets.
Help Desk – Have a plant problem? Ask our Master Gardeners for tailored advice via email, online form, phone hotline, or in-person visit.
Demonstration Gardens – Visit one of our gardens in Alameda County for inspiration, fresh air, and a chance to chat with Master Gardeners.
Community Events – Request to have a Master Gardener staff an information table at your event.
Annual Plant Sale – Find locally grown plants perfect for your garden while supporting our program.
Classes & Workshops – Learn about sustainable gardening practices, from composting to water-wise landscaping.
- Attend Seed to Harvest, our beginner gardener course
- Invite us to speak at your event
- View our upcoming events
Online – Our site includes expert tips for all types of growers, from container gardening to fruit tree care.
- Explore tips on growing your own food
- Read our blog, Over the Fence
- Join our mailing list to receive seasonal tips, information about events and classes, and more

We’re committed to helping Alameda County residents cultivate healthy gardens and communities. Have a question? Reach out—we’d love to help!

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Upcoming Events

May 9, 2026

Garden Talk: Water - Lifeblood of the garden (Livermore)

All life needs water- especially the plants in the garden. When there is not enough naturally available (whether from rain, humidity, water table) how much needs to be applied to for plants to…

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May 16, 2026

Tomatoes and Other Summer Vegetables

Speaker Master Gardener Devra Laner will talk about, and demonstrate, how to successfully grow tomatoes and other summer vegetables. This event is free. This event is outdoors and is subject to…

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June 13, 2026

Garden Talk: Pollinator Gardens (Livermore)

If you build it they will come - Eventually. Plants need help to proliferate. Many need help from bees - both native and honey, butterflies, birds, even flies and wasps. Shari Wentz will…

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July 11, 2026

Garden Talk: CA Native Plants - Pruning and summer care (Livermore)

Best practices for pruning CA native shrubs and trees. MG and Native Plant specialist Laura Cornett will be guiding attendees on whens and hows of taking care of CA Native planting in the middle of…

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Mission Statement

To extend research-based knowledge and information on home horticulture, pest management, and sustainable landscape practices to the residents of California.