Boone County Arboretum
9190 Camp Ernst Road
Union, Kentucky 41091
Phone: (859) 384-4999
Fax: (859) 384-6888

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Cultural Details for Thuja x 'Green Giant'

Common Name:
Green Giant Arborvitae

Growth Rate:
Fast growing

Average Mature Height:
60' or more in height

Average Mature Width:
12-20' wide

Flower Details:
Not ornamentally significant.

Fruit Details:
oblong cones, approximately 0.5" in length emerge green and mature to brown.

Fall Color:
Evergreen; does not yellow over winter.

Bark Details:

Disease / Insect Problems or Resistance:
No significant pest or disease problems; occasionally bagworms may show.

Native Habitat:
Zones 5-7

Other Features:

Culture and Care:
Transplants readily, prefers well drained fertile soils, full sun.

This plant was blooming:

Plantings of this cultivar at Boone County Arboretum:
1438, 5422, 5432, 5476

    The information on this page may have come from one or more of the following sources:
  • Dirr, Michael. Manual of Woody Landscape Plants. Stipes Publishing. 1998.
  • Hightshoe, Gary L. Native Trees, Shrubs, and Vines for Urban and Rural America. John Wiley & Sons. 1988.
  • North Carolina Extension Plant Fact Sheets.
  • University of Connecticut Plant Database.