compost bin master composter

Master Composter courses are a unique opportunity to gain a more in-depth understanding of the composting process and provide insight on sharing this knowledge and passion with others.

The course covers the following:

    • Traditional composting
    • Building, maintaining, and troubleshooting a compost pile
    • Vermicomposting
    • Bokashi fermentation
    • The microbiology of composting
    • Macrodecomposers in your compost pile
    • Environmental impacts
    • And much more!


Think you may want to become a Master Composter? Check out our offerings below based on location!

County of San Diego

Offered to unincorporated County of San Diego residents yearly. Our next course takes place from February 24th to March 23rd, 2024 in Escondido. For more information, click here.

Need to attend a course another time? Please sign up for our interest list below to be notified when more courses are released.

City of San Diego

There will be a 2024 Master Composter course in the San Diego area! Please sign up for our interest list below to receive updates.

If you'd like to be notified when the course you want is open for registration, sign up for our interest list.