Learn how to make that rich, black substance we call “gardener’s gold”? Instructors will show participants the composting operation at CommonWealth, the elements that make it a success and discuss the difference between a worm bed and a compost pile.

Instructors: David Braden, compost master and co-founder of CommonWealth.
Allen Parleir, coordinator of Closer To Earth and co-founder of CommonWealth.

$10 per workshop, $15 per couple/pair, unless otherwise noted. Or volunteer on a Saturday morning, and get in free!