How far apart should you plant Thuja Green Giants?
David Jones
Published May 22, 2026
How far apart should you plant Thuja Green Giants?
5 feet apart
The Thuja ‘Green Giant’ is a hybrid cross between Thuja plicata and Thuja Standishii Arborvitae. If you want this plant for privacy we recommend spacing the trees 5 feet apart this will insure they grow together while maintaing a healthy habitat for the trees.
How do you plant Thuja Giants?
Dig a hole twice as wide and a little deeper than the container the Green Giant arrived in. Do not add any evergreen fertilizer or amendments. Mound up some soil in the middle of the hole, 3-6 inches high, and place the center of the root mass on top of the mound, spreading roots out in all directions around the hole.
How tall do Thuja Green Giants get?
60′
The green giant arborvitae grows to a height of 50–60′ and a spread of 12–20′ at maturity.
Is it possible to grow a Thuja Green Giant?
If you are thinking of growing a Thuja Green Giant, you’ll need to measure the potential growing site. These Thuja evergreens, which were imported from Denmark several decades ago, grow into enormous plants. Green Giant arborvitae shrubs may be small when first transplanted.
What should spacing be for Thuja Green Giant arborvitea?
Thuja green giant arborvitae spacing is important so the landscape trees can grow to their maximum potential. If your soil is very compacted, you should consider tilling before digging the individual planting hole (s).
How often should you trim a Thuja Green Giant?
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.
Why are my Thuja Green Giants turning brown?
Thuja Green Giants are easily “wind burnt” which will turn them totally brown in the winter but they will green up in the summer. I have some that a re sporadically turning/dying from the summer heat.
If you are thinking of growing a Thuja Green Giant, you’ll need to measure the potential growing site. These Thuja evergreens, which were imported from Denmark several decades ago, grow into enormous plants. Green Giant arborvitae shrubs may be small when first transplanted.
What to do with Thuja Green giant arborvitae?
Then, plant the green giants. Giving them the best possible start for growing is always the best encouragement. For the first year, apply supplemental water as necessary to keep the soil cool and moist.
How often should I trim my Thuja Green Giant?
Without any pruning, Thuja ‘Green Giant’ will grow into a stately pyramidal shape with foliage that stays dense all the way to the ground. After its first year of growth, it can be pruned to fit your needs. To maintain a low hedge shape, you will need to shear several times during the growing season.
When is the best time to plant Thuja?
Propagate in summer using fresh cuttings. Thuja grows easily in both full sun and partial shade. However, exposure to cold harsh winds can be damaging to young plants. Thuja grows in most soil types. But the best soil for it is fertile soil that has ability to retain moisture. It also tolerates very chalky soils. Water thuja deeply.