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Giant Arborvitae Thuja plicata

Other Common Name(s):

Phonetic Spelling
THU-ya ply-KAY-tuh
Description

Large evergreen in the Cupressaceae family native to the pacific northwest of the United States. It is the largest tree in the cypress family with dark green scale-like leaves on graceful branches that sweep out horizontially away from the tree. The leaves are fragrant when crushed. It thrives in areas with cool summer climates and does not tolerate dry conditions. It works well as a hedge or makes an excellent addition to a rain garden as it tolerates wet soils. It can tolerate being planted near black walnuts.

Insects, Diseases, and Other Plant Problems: No serious insect or disease problems. Bagworm and some root rots may occur. These plants may struggle in the heat of North Carolina summers.  Plant in an area protected from dry winds.

Cultivars / Varieties:
  • Sunshine
Tags:
#fragrant#evergreen#rain garden#foliage#conifer#winter interest#black walnut#hedges#wet sites#cpp
 
Cultivars / Varieties:
  • Sunshine
Tags:
#fragrant#evergreen#rain garden#foliage#conifer#winter interest#black walnut#hedges#wet sites#cpp
  • Attributes:
    Genus:
    Thuja
    Species:
    plicata
    Family:
    Cupressaceae
    Country Or Region Of Origin:
    Pacific Northwest
    Dimensions:
    Height: 50 ft. 0 in. - 80 ft. 0 in.
    Width: 15 ft. 0 in. - 20 ft. 0 in.
  • Whole Plant Traits:
    Plant Type:
    Tree
    Habit/Form:
    Pyramidal
    Maintenance:
    Medium
    Texture:
    Fine
  • Cultural Conditions:
    Light:
    Dappled Sunlight (Shade through upper canopy all day)
    Full sun (6 or more hours of direct sunlight a day)
    Partial Shade (Direct sunlight only part of the day, 2-6 hours)
    Soil Drainage:
    Good Drainage
    Occasionally Wet
    Usda Plant Hardiness Zone:
    5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b
  • Leaves:
    Leaf Color:
    Green
    Leaf Feel:
    Rough
    Hairs Present:
    No
  • Stem:
    Stem Is Aromatic:
    No
  • Landscape:
    Landscape Theme:
    Rain Garden
    Winter Garden
    Design Feature:
    Hedge
    Resistance To Challenges:
    Wet Soil