When: Saturdays, 11 a.m.-1 p.m. Continues through May 26 2012
Tucson Organic Gardeners members answer questions in the composting-demonstration area from 11 a.m. to 1 p.m., Saturday, May 26; $8, $4 age 4 to 12, free younger child or member, includes admission to the gardens. Call or visit tucsonbotanical.org for more information.