This publication discusses proper pruning, which is necessary to maintain a healthy, vigorous tree or shrub. Subjects covered are reasons to prune, myths about pruning, times to prune for specific purposes, tools for pruning, basic procedures in pruning, and procedures in pruning specific trees and shrubs. Three tables list the scientific and common names of various trees and shrubs. Another table provides information concerning landscape plants, which may be rejuvenation pruned (completely cut to the ground). Illustrations provide examples on common pruning tools, basic procedures in pruning, procedures for pruning specific trees and shrubs, and some examples of classical espalier forms. The basic safety rules for pruning and a review of general pruning procedures are also included.