National Pruning Standard

Recent cooperation between members of the arborist, landscape, and nursery industries and governmental organizations has resulted in the development of national pruning standards. These standards are known as the American National Standards Institute (ANSI) Standards and seek to establish a level of acceptable performance for all professionals engaged in the care of woody plants.

Poor hedge forms

figure 11-17. Good and poor hedge forms as seen from the side (Delmar/Cengage Learning)