Free Composting Workshops

Napa Recycling and Waste Services - Learn how to turn yardwaste and kitchen scraps into wonderfully rich, free compost for your garden.  Discover the basics of backyard composting, worm composting, and grasscycling.  The City and County of Napa, NRWS/NCRWS, and the Napa County UCCE Master Gardeners offer free composting classes annually.  Check your garbage bill inserts early in the year for a registration form or register online at  For more composting information or questions, call the Napa County UC Cooperative Extension Master Gardener Program at 707-253-4221, M-W-F: 9am–Noon or visit

To learn more about Napa Recycling and Waste Service programs, click here.

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