Miguel Rosales, who co-chairs the Beacon Hill Civic Association Tree and Civic Beautification Committee with John Corey, is seen pruning a tree on Mount Vernon on Sunday.“It is important to remove the low branches or suckers as they are not beneficial for the tree and also can block sidewalks and hide trash and debris,” Rosales advised.Beacon Hill residents interested in learning how to prune low branches and tree suckers are encouraged to contact the BHCA office, located at 74 Joy St., at 617-227-1922.