Best Time To Trim Arborvitae Shrubs, Port Orange FL

This keeps the plants at roughly the same size year.

Arborvitaes can handle a fair amount of pruning, but typically they only need shaping to maintain appearance and remove growth abnormalities.

Dec 10, Like most evergreens, arborvitae should be trimmed while it is dormant. This is roughly from about Thanksgiving to St. Patrick's Day. Many gardeners like to prune these evergreens. Pruning Arborvitae to Shorten a Tall Hedge.

Late spring after flowering - After the arborvitae has flowered and before mid summer is the best time to prune back a tall hedge row.

On the branches, look for black fungal spots that may also curl out from the bark.

The plant can maintain itself after flowering and maintain the height you are looking for. Sep 21, The best time to prune an arborvitae is during late spring just before new growth starts on tree, recommends the North Dakota State University Extension.

Avoid cutting back beyond the green foliage as this will create permanent bare spots on the tree.