The native Arborvitae tree of northeastern and north central North America can be very long-lived; along the cliffs of the Niagara Escarpment in Canada, specimens could be over 1,000 years old. The common name, which means “tree of life,” refers to the medicinal properties of the bark and foliage, which cured scurvy.
With a girth that rarely exceeds 15' Arborvitae makes a nice, narrow evergreen for tight spaces or to form a natural hedge or privacy screen. It's
Arborvitae/Northern White Cedar/Thuja occidentalis | Tree Talk Natives
White-Cedar, Northern or E. Arborvitae, TreeBrowser
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Black Walnut Tree Tolerant Native Plants
Master Gardeners of Northern Virginia – Page 69
Master Gardeners of Northern Virginia – Page 27
Michigan Trees: Northern White Cedar
Thuja occidentalis - Wikipedia
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Master Gardeners of Northern Virginia – Page 14
Master Gardeners of Northern Virginia – Page 37