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Horticulture Workshops

Each year UI Extension, Ada County offers horticulture workshops and classes based on interest and availability.

 Master Gardener Plant Sale

The Master Gardener Plant Sale scheduled for May 2nd has been cancelled. All the plants that the Master Gardeners grew for the plant sale will be donated to the community. We are hoping to have a perennial plant sale in the fall. We will keep you posted.

Composting Workshops

  • Helpful, environment-friendly information on how to use yard waste
  • Hands-on composting experience
  • Opportunity to be certified as a master composter

Classes (PDF) offered in the spring or fall. Please check with UI Extension, Ada County for specific dates and times.

Upcoming Events

Easy Composting Workshop

Time and Date: Pending. Look for it in the fall.
Where: University of Idaho Extension, Ada County — 5880 N Glenwood St., Boise

To express interest, please submit Easy Composting Registration Form (PDF) to our office.

Master Composter

Through teaching and community service, Master Composters become leaders and educators on backyard solid-waste management in their communities.

Participants completing the three sessions of composting workshops and the required practicum hours are certified as Master Composters.


  • 3 composting workshops
  • 20 hours of hands-on practicum


University of Idaho Extension, Ada County

Physical Address:
5880 Glenwood Street
Boise, ID 83714

Register/Pay Online

Phone: 208-287-5900



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