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Thuja

Common Name(s):

Phonetic Spelling
THOO-yuh
Description

This genus is native to both North America and parts of East Asia.  The evergreen leaves and pyramidal shape lend it to use as an ornamental tree.

 

VIDEO Created by Elizabeth Meyer for "Trees, Shrubs and Conifers" a plant identification course offered in partnership with Longwood Gardens.

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See this plant in the following landscape:
Cultivars / Varieties:
'Green Giant', T. occidentalis, T. plicata
Tags:
#evergreen#conifer#tree#evergreen tree#tsc-cg
 
Cultivars / Varieties:
'Green Giant', T. occidentalis, T. plicata
Tags:
#evergreen#conifer#tree#evergreen tree#tsc-cg
  • Attributes:
    Genus:
    Thuja
    Family:
    Cupressaceae
    Life Cycle:
    Woody
    Country Or Region Of Origin:
    North America, parts of East Asia
    Distribution:
    Introduced to Europe
  • Whole Plant Traits:
    Plant Type:
    Tree
    Woody Plant Leaf Characteristics:
    Needled Evergreen
    Habit/Form:
    Broad
    Dense
    Pyramidal
  • Fruit:
    Fruit Color:
    Brown/Copper
    Green
    Fruit Length:
    < 1 inch
    Fruit Width:
    < 1 inch
    Fruit Description:
    No true fruit– female cones are oval-shaped, brown, and take a long time to develop. They open up to a flared shape.
  • Flowers:
    Flower Color:
    Brown/Copper
    Flower Size:
    < 1 inch
    Flower Description:
    No true flowers– pollen cones are small and grow from the tips of the branches.
  • Leaves:
    Woody Plant Leaf Characteristics:
    Needled Evergreen
    Leaf Color:
    Green
    Leaf Value To Gardener:
    Fragrant
    Long-lasting
    Leaf Type:
    Needles
    Leaf Arrangement:
    Other/more complex
    Leaf Margin:
    Entire
    Hairs Present:
    No
    Leaf Length:
    < 1 inch
    Leaf Width:
    < 1 inch
    Leaf Description:
    Small, scale-like leaves. Can be distinguished from Chamaecyparis by the lack of white markings underneath the leaves. Older leaves also have raised glands near the tip.
  • Bark:
    Bark Color:
    Dark Brown
    Surface/Attachment:
    Furrowed
    Scaly
    Bark Description:
    Brown to red-brown, fibrous bark.
  • Stem:
    Stem Is Aromatic:
    No