The first year they are busy establishing their root systems, so you can expect 12-18″ of growth. The second year with optimal growing conditions you’ll see 2-3′ of growth. Easily Pruned – Thujas can be pruned to any desired height- even 6-10′ feet tall.
Use the wider spacing given here for vigorous plants like Thuja Green Giant , and the smaller spacing for others like Thuja Emerald Green . For a shorter hedge, less than 8 feet tall, plant 3 feet apart . For a larger hedge or screen, plant 4 to 6 feet apart .
Mature Size. The green giant arborvitae grows to a height of 50–60′ and a spread of 12–20′ at maturity.
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Arborvitae will tolerate a moister soil than many evergreens, but they will “drown” if kept overly wet. Generally, the idea for newly planted shrubs is to water more often at the very beginning and then decrease it gradually so that watering about every five days to once a week is usually enough.
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 . And use Green Giants sparingly.
Most evergreen trees shed in the fall. Arborvitaes are common evergreens with scale-like needles on flattened branchlets. The interior needles on these trees change color from green to a golden orange/yellow. They shed their three year inner needles and hang on to two years of growth.
If your Thuja ‘ Green Giant ‘ is growing poorly, turning to reddish brown foliage, and seems to be dying, it could be root rot caused by soggy or saturated soil conditions. Let the soil line get a little dry between waterings. Water in the mornings so the soil has time to dry out during the day.
Wondering how often to water thuja green giant ? Water every day or two for the first 2-3 months, until the plants are established. After that, they should get one inch of water every week or ten days. If you’re having a dry spell, or your soil is very sandy, you should water more often.
Thuja Green Giant – Because it has genes from the Redcedar, this plant, the best hedging plant you can grow, is also resistant to deer .
Bagworms . Although “ Green Giant ” arborvitae has excellent pest resistance, it is sometimes susceptible to bagworms , insects that make distinctive orange-brown hanging bag-like structures. These structures can be mistaken for cones, but are generally fairly unattractive.
Arborvitae foliage turns brown naturally in winter , and inner branches drop. The outer foliage on arborvitae turns yellow- green or brown – green when temperatures drop in winter . At the same time, small inner branches turn brown and fall, which can make the trees look browner than normal.
4 Fast-Growing Evergreen Trees Norway Spruce. Picea abies. Norway spruce is a familiar sight in much of the United States, but it’s native to Europe. Green Giant Arborvitae . Thuja standishii x plicata ‘Green’ Leyland Cypress . x Cupressocyparis leylandii . Eastern White Pine . Pinus strobus .
The Thuja (also known as “ Arborvitae ”) is a genus of an evergreen tree. Because of its toxic substances they are a real danger for any animals and especially for horses. People use them for hedges and decorations.