Ask a Question forum→Trimming green giants.

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Jamestown, NJ
Apr 4, 2018 12:41 PM CST
Hey Guys! New here wanted to ask a question and hopefully contribute a bit to the database. I have 4 large green giants outside the house, we are wondering how we can trim them down. They are above 18' tall now. When we got them they were 4'. What's the best way to trim them down to 10' or so. Can't possibly cut them straight up, I figured there's a method to it. Please help!
Name: Philip Becker
Fresno California (Zone 8a)
Apr 4, 2018 12:52 PM CST
A picture would be very helpful. 😀

Anything i say, could be misrepresented, or wrong.
Name: Rj
Just S of the twin cities of M (Zone 4b)
Garden Ideas: Level 1 Plant Identifier Million Pollinator Garden Challenge
Apr 4, 2018 12:55 PM CST
This article may give you some info:

It talks about no more than 20% so approx 42 inches max.

Welcome to the site Welcome!
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Name: greene
Savannah, GA (Sunset 28) (Zone 8b)
I have no use for internet bullies!
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Apr 4, 2018 8:59 PM CST
Are you asking about the Arborvitae Thuja 'Green Giant'?
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~"Leaf of Faith"
Jamestown, NJ
Apr 5, 2018 12:32 PM CST
Yup the green giant. It's quite a big tree. Not sure how to get it trimmed down. Especially height.

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