What is the fastest growing tall plant?
Our #1 most popular privacy tree, the Thuja Green Giant is a fast-growing evergreen tree that can grow in Zones 5 to 9 at a rate of 3 to 5 feet per year. After three years, it can reach 15 to 20 feet, and at maturity can grow up to 30 to 40 feet fall. GREEN GIANT ARBORVITAE This hybrid Thuja typically grows 3 feet per year, with some reports circulating of it growing 5 feet in one year! If you need a fast-growing, large, evergreen Arborvitae hedge, Green Giant is a perfect choice.