Information Sources & Reference
CSU Cooperative Extension Tri River
International Society of Arborculture
PLANTanswers Index

How-To
Pruning Trees and Shrubs
Pruning Trees, Flushcuts and Wound Dressings

Tools
Corona Tools
Fiskars (Look for Gardening & Yard Care)

Retailers & Distributors
Jackson & Perkins (click on Gardening Tips)

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