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Tree Pruning

Clarify Your Tree and Shrub Pruning Objectives

Before you begin pruning or hire someone to prune your trees and shrubs establish your pruning objectives. American National Standards Institute (ANSI) A300 provides two basic objectives - hazard reduction and tree maintenance. Both types of pruning include the selective removal of tree branches.
  • Hazard reduction pruning is recommended when the primary objective is to reduce the danger to a specific target caused by visibly defined hazards in a tree. For example, a tree has many dead limbs hanging over a home.
  • Maintenance pruning is recommended when the primary objective is to maintain or improve tree health and structure, and includes hazard reduction pruning.

A certified arborist understands tree biology in order to estimate how a particular tree will respond to pruning in order to determine what pruning is needed to achieve the results you desire. A certified arborist will evaluate your objectives, type of tree, and the tree's health before beginning to prune. If the results you desire are not possible, alternatives can be discussed.


Popular purposes for tree pruning:


Crown cleaning: the selective removal of dead, dying or diseased branches, weak branches and watersprouts.


Crown raising: the removal of the lower branches of a tree to provide clearance.


Crown reduction or crown shaping: decreases the height and/or spread of a tree. Consideration should be given to the ability of a species to sustain this type of pruning.


Crown restoration pruning should improve the structure, form and appearance of trees which have been severely topped, vandalized or storm-damaged.


Crown thinning: the selective removal of branches to increase light penetration, air movement and reduce weight.


Thinning: removing dead branches, removing crowded or rubbing limbs, eliminating hazards, and improving sunlight and air movement through the tree.


Tree topping (not recommended): the clumsy cutting off of the top of a tree to stubs or smaller limbs. Usually, the objective is to reduce the size of a tree.  This harmful practice will make a healthy tree more hazardous over time. Learn more.


Vista pruning (windows): selective thinning of framework limbs or specific areas of the crown to allow a view of an object from a predetermined point. It opens "windows" through trees for a view.


Put Your Trust in a Certified Arborist
Done properly and with an understanding of tree biology, tree pruning will maintain your tree's health and structure. Tree pruning can also enhance the beauty and economic value of your landscaping. Contact us today to schedule tree care services, 253-288-8733.
Vista pruning opens "windows" through trees for a view.
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  Thundering Oak Enterprises, Inc.
Local: : 253-288-TREE (8733)

Local: 425-226-TREE (8733)

P.O. Box 1847, Auburn, WA 98071

Serving Pierce County and South King County
Algona, Auburn, Black Diamond, Bonnie Lake, Burien, Covington, Des Moines, Dupont, Edgewood,
Federal Way, Fife, Fircrest, Gig Harbor, Kent, Lakeland North, Lakeland South, Lakewood, Maple
Valley, Normandy Park, Pacific, Parkland, Puyallup, Renton, Ruston, Spanaway, Sumner, Tillicum,
Tacoma University Place and all areas in South King County and North Pierce County.

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