Confused about when and how to prune your trees and shrubs?  Chuck Sherzi, Certified Arborist and Horticulturist, will help you sort that out.  Chuck will cover pruning practices, tools, and techniques.  He has taught classes and workshops at the Landscape Institute and the Arnold Arboretum.  This program, on Thursday, November 5, beginning at 7 pm, will take place at the Medford Public Library, 111 High Street, Medford, Massachusetts, and is sponsored by the Medford Garden Club.  The program is free and open to the public.  For more information, email sbcummer@msn.com.