Walks in the Garden at Barrington Hall. Enjoy a guided walk while learning about the historic gardens featuring many century old shrubs and heirloom plants. . A short presentation will start the walk at 9:30a.m. Topics include heirloom roses, growing herbs, wildflowers and pruning shrubs and trees. Sign up is not required but is encouraged. Free. 9:30-11am. Barrington Hall, 535 Barrington Drive, Roswell. More info: 770-640-3855 or www.barringtonhall-roswell.com.