Do Thuja trees have invasive roots?
Christopher Pierce
Updated on April 25, 2026
Are the roots invasive? Thuja Green Giant roots are not known to be invasive or aggressive.
How far does a Thuja Green Giant have to be from the fence?
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.
Do Green Giant Arborvitae have deep 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.
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.
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.
How do you space in Green Giants?
Can you plant Green Giants 3 feet apart?
Grown as a single plant, Thuja Green Giant will be about 12 feet across in 12 years or so. This means that for hedges, spacing your plants between 3 and 5 feet apart will give you perfect results in a very short time.
How long does it take for a Thuja Green Giant to become established?
Thuja Green Giant Growth Rate So just how fast will this tree grow? Three feet a year is normal in the early years. Up to five feet a year is possible, under ideal conditions. With growth rates like that, after a few short years you have 15 foot, 20 foot and soon 30 to 40 feet trees.
How do you plant a 6 foot arborvitae?
How to Plant Arborvitae
- Dig the planting hole 2 to 3 times as wide and as deep as the root ball.
- Loosen some of the roots in the root ball.
- Plant the arborvitae in the hole so that the top edge of the root ball is level with the top of the hole.
- Back-fill with soil around the root ball, tamping down with your hands.
What are the disadvantages of Thuja Green Giant hedge plant?
Thuja Green Giant Hedge Plant Disadvantages 1 Shape and Size. “Green Giant” arborvitae can grow to a maximum of 60 feet tall and 12 to 18 feet wide. 2 Light Requirements. “Green Giant” will grow in both full sun and partial shade, and tolerates drought well. 3 Bagworms. 4 Scale.
Is Thuja X green giant Evergreen Evergreen?
Thuja x. ‘Green Giant’ Green Giant Arborvitae is a fast-growing hedge that thrives in heat and humidity, which makes it an especially popular hedge choice in the regions around the Southern United States. With sturdy evergreen foliage, Green Giant Arborvitae looks vibrant year-round with great winter color.
Can Thuja arborvitae grow in greenhouse?
Thuja Green Giant is a large, vigorous and a handsome hedge choice for privacy and screening purposes. Young starts of arborvitae (Thuja ‘Green Giant’) wait in a greenhouse to be planted in neat rows to form InstantHedges.
What is Thuja instanthedge?
This arborvitae (Thuja ‘Green Giant’) InstantHedge unit is in a biodegradable cardboard container and ready to be shipped for a privacy screen. Neatly-maintained rows of arborvitae (Thuja) hedge ready to be harvested and shipped for landscape jobs.