Thuja occidentalis L.

Eastern Arborvitae

Family: Cupressaceae

Genus: Thuja

Category: Tree - Evergreen

Zones: 3 to 7 (not good in the heat of the South)

Size: 40 to 60' tall, 10 to 15' wide

Growth Rate: Moderate

Exposure: Sun


Needs moist, deep soil. Useful as a hedge plant or screen. Winter burn can be unsightly. Leaves dark green above, pale green below in flattened sprays.


Numerous cultivars:

'Emerald' - 10 to 15' tall and 3 to 4' wide

'Hetz Midget' - dense globular form reaching a maximum of 3 to 4' tall and wide, cultivated since 1928


Native to Canada, eastern and central US south to Tennessee. Published in Sp. Pl. 2: 1002 in 1753.

Introduced to western gardens in about 1534.


Sources of Information

© 2010-12 Lisa J. Miner