This is a two hour slideshow on tree pruning (not including fruit or nut trees). How to prune a tree limb will be covered, including branch collar identification and the basics of compartmentalization.

Also discussed--early training of trees, included bark, double leaders, ANSI tree pruning standards, crown cleaning, crown raising, utility line clearance pruning, mature tree pruning.

Mal-pruning will be shown and defined (tree topping, lion's tailing, over-thinning), as will crown restoration. Some specific trees will be covered--magnolia trees, ornamental crabapple, cherry and purple-leafed plum trees.

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.

Classes held in partnership with PlantAmnesty.

Cost: $35/class. Discount available for series registrations and PlantAmnesty members.

Register online or by phone (206-685-8033)

Taught by Bess Bronstein