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UC Master Gardeners of Tuolumne County

Coming Attractions in the Tuolumne Garden

View Our Upcoming Events

About Our Events

Open Garden Days 

Open Garden Days 

251 South Barretta St., Sonora 

First Saturday of the month (Feb- Nov)  

10:00am – 1:00pm 

Open Garden Days are an opportunity to roam the Garden, watch what we are doing, find out what we are growing, attend a demonstration and ask questions about your garden and landscape.  

Demonstrations start about 10:30am. Topics are listed in the Event Calendar. 

Each event features: 

  • An information table to help with your plant problems or mysterious pests.
  • Demonstrations– usually begin around 10:30 am. Monthly topics are listed on the event calendar
  • Some events include Plant Sales- See event calendar for dates and come early for the best selection! 

*Open Garden Days are usually held the first Saturday of the Month*

**Demonstrations are subject to change.**

The Demonstration Garden is located at 251 So.Barretta Street in Sonora, (Cassina High School Campus) and will be open from 10am to 1pm. Activities will begin at 10:30 am. There is no cost to attend Open Garden Day or to tour the garden. 

For questions regarding the Master Gardener program or to have a Master Gardener come to your home to help with a gardening problem, please call the UCCE Master Gardeners of Tuolumne County Hotline at 209-533-5912.

Master Gardener Information Booths

Sonora Certified Farmers Market

Starting Dates: May 16, 2026 – October 17, 2026, the Sonora Certified Farmers Market is in session downtown from 7:30 to 11:30 am. The Master Gardeners have a booth next to the Almonds. Please feel free to stop by and visit them and discuss any questions or comments you may have. They will be happy to talk with you about your gardening experiences!

Nature's Whole Food Depot

Starting mid May through October, 2026. The Master Gardeners out at the Nursery and can answer any of your plant questions. 

Garden News Notes

For questions regarding the Master Gardener program, please contact the UCCE Master Gardeners of Tuolumne County.

Hotline: 209-533-5912