Have 6-7 foot Arborvitae... #214836 - Ask Extension


Have 6-7 foot Arborvitae... #214836

Asked September 29, 2014, 6:36 PM EDT

Have 6-7 foot Arborvitae. Planted to close to sidewalk. Want to prune back. What & When should I do ? Thanks / Ron

Prince George's County Maryland

Expert Response

The best time to prune arborvitae is November through March. (there is also a window in June and July).
Be careful not to cut into old wood that has no needles/green, (like all the way back to the trunk as they can not produce new green growth from this area.
Here is our pruning publication: http://extension.umd.edu/sites/default/files/_images/programs/hgic/Publications/HG84_Pruning%20ornam...

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