The demonstration, sponsored by Keep DeKalb Beautiful, is part of Compost Awareness Week, being observed May 4-10.
The 10 a.m. to 4 p.m. event will include compost bin and vegetable plant giveaways while supplies last. Keep DeKalb Beautiful will also raffle off a rain barrel. Admission is free.
The DeKalb Farmers Market is at 3000 East Ponce de Leon Ave. in Decatur. For more information, call Keep DeKalb Beautiful at 404-371-2654.