BOTANICAL NAME THUJA OCCIDENTALIS

PRONUNCIATION Thew - yah ok - si - den -TALE - is

COMMON NAME American Arbovitae

FAMILY Cupressaceae

CLASSIFICATION Tree or Shrub- dependent on variety

Growth Habit Evergreen Height 5’ - 60’ Width 5’ - 15’ Upright

LEAF Scale-like Length 1/8” Width 2/3 of length

ARRANGEMENT Scales

MARGIN Scales

VEINS

FLOWER Spring Not noticeable

FRUIT Green with no hooks

Thuja occidentalis fruit above and Thuja orientalis fruit to the left.

EXPOSURE Sun

USE Specimen Foundation

DESCRIPTION Usually has a single main stem Small scale like leaves hugging the twigs; abruptly pointed

DESCRIPTION Branchlets flat but turned every direction Green (flat) in summer; yellowish brown in winter

DESCRIPTION Thuja may have “blisters” on back side of most recently matured stem - not so on Pladyclatus and Cupressocyparis

CULTURAL PRACTICES Prune prior to growth in the Spring

PROBLEMS Bag worms

ZONES 2 - 8

NATIVE OF: Eastern North America