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.

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.