The Neighborhood Association of the Back Bay’s Annual Christmas Tree Sale will take place at the Clarendon Street Playground (corner of Clarendon Street and Commonwealth Avenue) on Saturday and Sunday, December 4 and 5, from 8 -5 each day.  Fresh cut balsam fir trees from Maine will be on sale, and local delivery is available.  If you’d like to order an extra tall tree to reach your high ceiling, call the NABB office at 617-247-3961 before Thanksgiving.  All proceeds benefit neighborhood improvements.