The objective of pruning is to produce strong, healthy, attractive plants. By understanding how, when and why to prune, and by following a few simple principles, this objective can be achieved.
Peter J. Bedker, Plant Pathologist, USDA Forest Service, Northeastern Area State and Private Forestry Joseph G. O’Brien, Plant Pathologist, USDA Forest Service, Northeastern Area State and Private Forestry Manfred E. Mielke, Forest Health Specialist, USDA