Illinois' Best
Thuja occidentalis

A widely used native

The American arborvitae is a dense, broad-pyramidal evergreen tree reaching heights of 40' to 60'. It is an Illinois native that is extensively used. It works well as a screen or specimen plant. Choose plants with strong central leaders to avoid damage from snow and ice. 
Thuja occidentalis
American arborvitae
Family: Cypress (Cupressaceae)
Type: Evergreen

Mature Size:
25-50 feet
Shape:
upright
Exposure:
sun
  Soil Moisture:
moderate
  Zones:
3-7
attracts birds
native to the Midwest
Winter Interest
leaf retention (evergreen)
  Landscape Use:
screen/hedge
specimen plant
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funded by the Library Services and Technology Act, 1998.