Learn restoration strategies for trees and shrubs that have been mal-pruned. Mal-pruning may include topping, over-thinning, inappropriate shearing, and more. Included is discussion of watersprouts, suckers, radical renovation techniques, and crown restoration. Taught by Christina Pfeiffer.

This is part of the Pro-Hort lecture series, offered twice annually in partnership with the University of Washington Botanic Gardens, and is geared toward 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. This series will run in-person in the summer of 2026 and virtually via Zoom in the winter of 2027.

Professional continuing education credits pending: APLD-2, CPH-2, ecoPRO-2, ISA-2, NALP/WALP-2, LACES-2 for each 2-hour lecture.