Pruning Firs, Douglas Firs, and Spruces

Control height and encourage fullness by pruning during dormancy

The best time to prune these evergreen trees and shrubs is when they’re dormant—either in late winter or late summer. You can prune to control height or to encourage fullness. Learn how to prune these single-needle conifers in this video with Bert Cregg, an associate professor in the horticulture and forestry departments at Michigan State University.

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