Proper Tree Care
PNW-ISA Tree Care Guide
Click the header above to flip through our interactive booklet about Tree Care.
Guidelines for Correct Pruning
Excerpted from “Homeowner’s Guide for Beautiful, Safe, and Healthy Trees,” NE-INF-58-84. At its previous site this page was awarded the Top 5% Award by Point Survey.
Correct pruning is the best thing you can do for your tree. Here are the guidelines:
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Pacific Northwest Chapter of the International Society of Arboriculture 
PO Box 811, Silverton, OR 97381 | Phone: (503) 874-8263 Toll Free: (800) 335-4391 | Fax: (503) 874-1509 | [email protected]
"Our mission is to foster a greater appreciation of trees and promote the professional practice
of arboriculture through education, research, and technology."
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