Flowering TreesGreen Giant Arborvitae
Thuja plicata
Green Giant Arborvitae (Thuja plicata) is a medium-growing flowering tree, hardy in USDA zones 5-7, that matures to about 50-70 ft × 15-25 ft. It does best in full sun and part shade with medium water needs in well-drained and occasionally-wet soil. It stands up well to black walnut and wet soil.
- USDA zones
- 5-7
- Sun
- Full sun, Part shade
- Water
- Medium
- Mature size
- 50-70 ft × 15-25 ft
- Growth rate
- Medium
- Maintenance
- Medium
- Soil
- Well-drained, Occasionally-wet
- Tough against
- Black walnut, Wet soil
- Native to
- Western North America
In the landscape
Data sources
Freeze survival
Will it survive your winters?
Hardiness zones show a normal bad winter. We check the worst one — Green Giant Arborvitae is hardy to about -20°F (estimated from USDA zone 5), so we'll score it against the real coldest nights your area has actually had.
Powered by ~35 years of daily lows from the nearest NOAA weather station. A risk read, not a guarantee — a sheltered spot or mature plant beats the odds.
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