Coniferous trees like fir and pine trees need little trimming or pruning, except to control size or fullness. Learn how and when to prune your evergreens.
Pruning Pine Trees
Improving Your View while Protecting Your Trees, Shore Stewards
Guide To Pruning Pine Trees - Learn How To Prune A Pine Tree
How and when to prune a conifer – Marin Independent Journal
Cloud Pruning a Conifer - Instructables
Pruning Conifers
How to Prune Arborvitae Seasonally for Height Control
Pruning Evergreens – Wisconsin Horticulture
How to prune conifers - hedging, large trees and techniques
To limit pine tree's height, can you cut off the top?
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