The Master Gardener Volunteers of Cobb County will host a free program, “The Art of Pruning,” from 6:30-7:30 p.m., Jan. 14, at East Cobb Regional Library, 4880 Lower Roswell Road, Marietta. The program is part of a monthly evening series, which will also take place Feb. 12, March 13 and April 9 at various local libraries. Information: cobbmastergardeners.org.