Yes the Green Giant is an excellent suggestion. Just a couple of comments to be alert to. These will be 5-6' wide or wider at the base so allow plenty of side room when planting close to a property line.
The link you supplied also stated that deer leave these trees along. That is not necessarily true, so if you have deer in your area, protect them (the new trees) or you may find your investment munched.
Just for comparison you may also want to look into the Leyland Cypress. Another fast growing, low maintenance (as far as disease free) hedging plant. Grows well in the Georgia area and has many cultivars to choose from for a variety. They also grow tall and wide so the same comments apply to this as well.
Both these choices may require trimming to keep them under control, just depending how big you want them to get.
Sylvia
Yes!Juniperus virginiana - Eastern Red Cedar. Not a whole lot in commerce but easily found throughout the countryside, in fields and in ditches. Simply dig them up and transplant them.
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