Using the correct technique for pruning is key to maintaining healthy plants. Learn the principles of pruning, including proper tool use, techniques for pruning trees and shrubs, and the best time to prune both evergreen and deciduous plants. We will also explore a variety of good tools for pruning. Please choose either the on-site or online class attendance option. 

The online class will be taught via Zoom. All registrations must be submitted online two days before your class starts. Registered students will receive login instructions one day in advance. 

Tim Johnson, senior director of horticulture, Chicago Botanic Garden 
Online Course