FREE FALL GARDENING SEMINAR! The Dunwoody Community Garden & Orchard presents its monthly edu-session on Saturday, Aug. 27 at 11am. Master Gardener Sheila Wilder will talk about the best things to plant in cool weather, and whether a “cover crop” to prepare for spring might be right for you. At the DCGO Greenhouse, opposite the skate park in Brook Run Park, 4770 Georgia Way So., Dunwoody 30338. www.dcgo.org