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San Diego

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Free Backyard Composting Workshops

The City is partnering with the Solana Center for Environmental Innovation to provide you with backyard composting information and tools. Learn from the experts on how to turn your garbage into gold for your garden! You'll discover the different methods of backyard composting, how composting conditions the soil for healthy plants and how you can save money and water.

Upcoming Workshops

Please see below the free upcoming composting workshops or webinars for City of San Diego residents. Click on the workshop or webinar to register online. Please visit Solana Center's website for other backyard composting workshops in your community.

Master Composter Training

Become an expert in composting, meet new people and participate in interesting events, all while serving your community. The Master Composter course provides training in the art and science of composting, soil management and how to teach it to others. Certification requires attendance once a week at the five-week course and completion of 30 hours of community outreach. People of all ages and abilities are encouraged to apply. A $25 materials fee* will be collected upon registration. For questions or more information email or call 760-436-7986, Ext. 700.

The Master Composter Course will be held fall of 2022. Space is limited, please register here.

The course will be held at the Tecolote Canyon Nature Center, 5180 Tecolote Road, San Diego, CA 92110.

Classes will meet Saturdays from 9:30 a.m. - 12:30 p.m.

  • Week 1 - September 17
  • Week 2 - September 24
  • Week 3 - October 1
  • Week 4 - October 8
  • Week 5 - October 15

*If the course fee presents a financial hardship, it may be waived upon request. Please contact Diane Hazard at before registering to inquire.