Arborvitae (Thuja 'Green Giant') in the Arborvitaes Database

General Plant Information (Edit)
Plant Habit: Tree
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Minimum cold hardiness: Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F)
Maximum recommended zone: Zone 7b
Plant Height: 30 to 60 feet
Plant Spread: 15 to 20 feet
Leaves: Evergreen
Needled
Fruit: Showy
Other: Persistent 1/2 inch oblong green cones, maturing to brown.
Underground structures: Taproot
Suitable Locations: Street Tree
Uses: Windbreak or Hedge
Provides winter interest
Resistances: Deer Resistant
Drought tolerant
Propagation: Other methods: Cuttings: Stem
Awards and Recognitions: Other: 1998 Pennsylvania Horticultural Society Gold Medal Plant Award
Parentage: Thuja standishii x Thuja plicata

a row of mature trees

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Comments:
Posted by ILPARW (southeast Pennsylvania - Zone 6b) on Dec 12, 2017 6:56 PM

The 'Green Giant' Western Arborvitae is commonly planted in the Mid-Atlantic and Midwest of the US. It gets larger than the cultivars of the Eastern or American Arborvitae, not the mother species, and its advantage over the eastern species is that deer don't like to eat the very waxy scaly foliage, while deer love to eat the lower parts around the eastern species.

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Posted by SongofJoy (Clarksville, TN - Zone 6b) on Sep 21, 2011 4:47 AM

A large, vigorous, fast-growing evergreen with a natural conical shape. Dense, rich, thick foliage bronzes slightly in the winter. Accepts a wide range of soils but prefers moist, well-drained conditions. Wind resistant once established and can handle heavy ice and snow loads. May grow up to 3 ft. a year under ideal conditions. Can be pruned.

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Posted by Marilyn (Northern KY - Zone 6a) on Jun 21, 2015 11:19 PM

Introduced by the United States National Arboretum.

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Discussion Threads about this plant
Thread Title Last Reply Replies
Identify mid-size evergreen by Wyngate Oct 17, 2019 3:35 PM 3
Recommendations on fertilizing green giant by Charlie07834 Apr 22, 2019 2:06 PM 3
Need Advice...Contractor cut off Arborvitae tops by Haz726 Jul 27, 2019 1:04 AM 15
Tree privacy fence by newhomeownohio Mar 19, 2019 8:43 AM 1
How to differentiate Thuja green giant from Emerald green by Clearsky Jan 3, 2019 11:14 AM 1
Easiest max-color flowers each New York season for backyard? by TreeSong Oct 26, 2018 11:46 AM 25
Trimming green giants. by Frozenfloat Apr 5, 2018 12:32 PM 4
Fast growing evergreens for zone 9b? by nezihv Jul 15, 2017 5:37 PM 4
Need to unload by onesell Jul 5, 2017 12:56 PM 6
Which Type of Arborvitae to Install by josuff36 May 1, 2017 12:28 PM 8

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