This slideshow describes the three most common forms of mal-pruning (tree topping, over-thinning of trees and shrubs, and inappropriate shearing) and how to fix trees and shrubs which have been mal-pruned.
This is an advanced course and those attending should already be familiar with principles of selective pruning. Included is discussion of water-sprouts, suckers, radical renovation techniques, and crown restoration.This lecture series is designed for those who work in landscape maintenance. Each lecture provides information on tools and techniques for quality pruning with better long-term results and customer satisfaction.
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The University of Washington Botanic Gardens is a unit within the School of Environmental & Forest Sciences and encompasses two sites: the Washington Park Arboretum on the south side of Union Bay and the Center for Urban Horticulture on the north side. The 230-acre Arboretum includes a vibrant collection...
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