Free Backyard Composting Workshops! February 28, 2025 Email MARCH 22nd 10AM – 12PM BACKYARD COMPOSTING – HAGAFEN WINERY APRIL 5th 12PM – 2PM BACKYARD & WORM COMPOSTING – NAPA SENIOR ACTIVITY CENTER MAY 17th 10AM – 12PM BACKYARD & WORM COMPOSTING – NAPA VALLEY COLLEGE UPPER VALLEY CAMPUS SEPTEMBER 6th 10AM – 12PM BACKYARD & WORM COMPOSTING – SKYLINE WILDERNESS PARK Registration in advance is required. For more information and to register, go here.