Cut them back about 12 inches, or about 6 inches below their desired.

Sep 21, Trim Green Giant trees once a year to the height you desire.

Cut away dead, discolored or diseased foliage, plus twigs and small branches from the interior and perimeter of the tree or shrub.

Standing on the ladder, use a hedge trimmer to cut a few feet off the top of the tree. Create a hedge out of the trees by cutting off woodcutting tree feller of the height.

Use the trimmer to create a box-like shape or rounded shape. Start at the top reducing the height as much as possible, then prune the sides from the top down. Attempting to or keeping them approximately 1/4 their normal size will likely shorten their lives. Eventually they will get much bigger than desired as the wood will get so heavy and big you will not be able to prune them properly without letting them get bigger.

No pruning is necessary when you plant"Green Giant" where it can attain its full height and diameter without encroaching on buildings, fences, power lines or other more desirable plants.

How do I make my arborvitae wider?

To form a. Apr 19, How to Trim Arborvitae Trees. Prune arborvitae annually during the fall or winter can you trim back a green giant tree. Run an ungloved hand over and across the arborvitae, feeling for the dead zone. Remove damaged or diseased branches by cutting into the healthy wood 3 to 4 inches below the damaged or diseased wood.

Step back from the arborvitae and examine the tree.