Quick Answer: How tall do Thuja grow?

These trees can grow up to 3 feet per year until maturity in ideal growing conditions. Their ultimate height is 50-60 feet tall and their width can be up to 12-20 feet. Thuja Green Giants grow in a uniform, columnar shape, without homeowners having to worry about pruning or shearing.

Can you keep Thuja short?

Pruning Arborvitae to Shorten a Tall Hedge The plant can maintain itself after flowering and maintain the height you are looking for. If you are making drastic changes to its height, it is best to cut back a foot or so a year until you have the size you want.

How far from a fence should I plant a Thuja Green Giant?

If your screen or hedge is against a building, plant 6 feet from the wall, to protect the foundations. If you are planting against a fence, plant 3 feet from the fence so that the lower part of the plants remains bushy and the hedge remains on your side of the property line.

What is the difference between Thuja and arborvitae?

Mature specimens of Thuja standishii x plicata “Green Giant” have an attractive, pyramidal shape. While different suppliers may refer to this tree as Arborvitae “Green Giant” or Thuja “Green Giant,” they are the same species. This tall, narrow tree makes an excellent privacy screen or specimen planting.

Are Thuja trees good?

They’re an excellent choice if you’re looking for a tree to plant near the coast. Thuja Green Giants have a higher cold tolerance than Leylands. They are recommended for growing zones 5 through 9 and have a cold tolerance down to -20 degrees Fahrenheit.

What is the fastest growing tree for privacy?

What are the fastest-growing trees for privacy? Hybrid poplar tops the list. It can grow upwards of five feet per year. The Leyland cypress, green giant arborvitae, and silver maple are all close seconds because they add about two feet to their height each year.

How do you plant Thuja Green Giant for privacy?

Thuja Green Giant Arborvitae Spacing For a living privacy screen or hedge, a windbreak, or a snow break, position Green Giants 5-6 feet apart. Or better yet for a unique green giant hedge, plant them in two rows, 4 feet apart, with the trees staggered 8-15 feet apart within each row.

Are Thuja Green Giant roots invasive?

Thuja Green Giant roots are not known to be invasive or aggressive.

Can you keep Thuja Green Giant small?

You have chosen a large growing arborvitae which can have annual rates of growth of 2 feet or more and attain a height of over 50 feet. Keeping them small to fit into the room you have will be the challenge. Filling in will not be a problem. They will need to be pruned each year after the annual growth hardens off.

How far from my property line should I plant Green Giant arborvitae?

A Word to the Wise: Along with height and fast growth comes width, so before planting Green Giant be sure you can give up 8 to 12 feet to this plant. Don’t put it two feet from your fence, or even from the property line.

Is Thuja fast-growing?

The Thuja Green Giant is the perfect fast-growing evergreen for a privacy hedge or windscreen. Plant one every 5 to 6 feet and they quickly create a dense barrier. You can easily trim them once a year to your desired height. Left unpruned, Thuja Green Giants planted in rows can reach as high as 30 to 50 feet.

Is Thuja the same as Leyland cypress?

Thuja ‘Green Giant’ sometimes grows much taller, however, with some specimens reaching 100 feet tall. Both trees have a pyramidal form, but a Leyland cypress is thinner, with branches spreading to a width of 10 to 15 feet, while a ‘Green Giant’ plumps out to 20 feet.

What’s the tallest arborvitae tree?

T. plicata is also the tallest arborvitae, growing up to 120 feet in cultivation, while T. occidentalis typically gets to 65 feet tall and T. orientalis a mere 50 feet tall.

Do arborvitae attract bugs?

Arborvitae face a variety of challenges with pests and disease. Pest problems include bagworms, scale, leafminers, and spider mites. Occasional disease issues such as tip blight can also occur. When plants are young or under stresses, it may also be a good idea to fertilize trees and shrubs on a regular basis.

How deep are Thuja roots?

The major roots of a large arborvitae reach 18 to 24 inches deep, while the roots of smaller trees reach to 8 inches deep. Thuja Green Giant arborvitae (standishii x plicata) has replaced Leyland cypress as the landscaper’s plant of choice for an evergreen hedge or specimen tree.

Is a Thuja an arborvitae?

Thuja is a genus of coniferous trees in the Cupressaceae (cypress) family. They are commonly known as arborvitaes (from Latin for tree of life) or Thujas; several species are widely known as cedar but, because they are not true cedars (Cedrus), it has been recommended to call them red-cedars or white-cedars.

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