Family: Cupressaceae

Scientific Name: Thuja occidentalis

Common Name: American Arborvitae, White Cedar


American Arborvitae is the species plant and has been superseded by many better cultivars, but it is still a usable landscape plant. AKA: Northern White Cedar, White Cedar, Eastern White Cedar

Plant TypeShrubs Coniferous
Hardiness Zone2-7
SunlightPrefers full sun, tolerates shade, but the less sun Arborvitae gets the looser the foliage.
Moistureaverage to moist
Soil & Siteaverage to moist
Flowerssolitary flowers are not ornamental, monoecious
Fruitsmall woody cones
Leavesflat dark green needles, may change to yellow-brownish in the winter
Dimensionstree size reaching 40 plus feet tall by over 12 feet spread
MaintenanceSometimes they form multiple terminal branches and these will split in heavy snows. To prevent this, the stems are usually tied together. All Arborvitae are among the easiest of the evergreen shrubs to transplant. Needs pruning to maintain size.
Propagationcuttings, seeds
Misc FactsI always tell my students that landscapers call this plant "Arborvitae" and lumberman call it "White Cedar". Lumber made from these trees has rot resistant qualities. AKA: Northern White Cedar, White Cedar, Eastern White Cedar
Notes & Reference#01-Manual of Woody Landscape Plants (Michael Dirr)
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