Q.I Live In SE PA And Have Green Giants. How Far Can I Top These And Will They Continue To Grow Taller After Topped
My green giants have been topped and I worry they will not get taller

BushDoctor
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on October 3, 2022
It will restrict upward growth, but topping about 20 percent from the top will promote branching. This will make for a slightly thicker specimen, later on.
Here is an article for more information on their, general, care:
https://www.gardeningknowhow.com/ornamental/trees/arborvitae/grow-green-giant-arborvitae.htm
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