Send your questions to hogan.1@osu.edu. Q: I need to prune an arborvitae hedge because it is too tall. I’d like to remove 3 or 4 feet off the top of these shrubs. When is the best time to prune ...

Pruning: 'Arborvitae plants take to pruning very well ... incorporating other native shrubs, trees and perennials into your plot alongside native arborvitae species.