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Plant Profile

Thuja orientalis (Arborvitae)

Oriental arborvitae is an evergreen large shrub or small tree with a dense conical shape. The leaves are scale like and it has a distinct grooved pattern on the back. The leaves has a lemony smell when scratches. The fruit is fleshy blue-green in color when developing later on horn-like. The bark is shredding. It tolerates most of the conditions except wet soil and heat. Best in full sun. Used as a specimen, hedge or screen. 

  • Landscape Information
  • Botanical Description
  • Horticulture Management
  • By Taken by Fanghong (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/) or CC BY-SA 1.0 (http://creativecommons.org/licenses/by-sa/1.0)], via Wikimedia Commons
  • By Daniel Fuchs (Own work) [CC BY-SA 2.5 (http://creativecommons.org/licenses/by-sa/2.5)], via Wikimedia Commons
  • By Josef Grunig at Flickr (Flickr) [CC BY-SA 2.0 (http://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons
  • By Zhangzhugang (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
  • By Crusier (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
By Taken by Fanghong (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/) or CC BY-SA 1.0 (http://creativecommons.org/licenses/by-sa/1.0)], via Wikimedia Commons

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  • French Name: Thuya de Chine

    Arabic Name: تويا

    Pronunciation: THOO-yuh or-ee-en-TAY-liss

  • Plant type: Tree

  • Origin: China, Japan

  • Heat Zones: 1 to 7

    Hardiness Zones: 3 to 7

  • Uses: Screen, Hedge, Specimen, Mass Planting

  • Size/Shape

    Growth Rate: Moderate

    Tree Shape: oval

    Canopy Symmetry: Symmetrical

    Canopy Density: Dense

    Canopy Texture: Coarse

    Height at Maturity: 5 to 8 m

    Spread at Maturity: 3 to 5 meters

    Time to Ultimate Height: 20 to 50 Years

  • By Taken by Fanghong (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/) or CC BY-SA 1.0 (http://creativecommons.org/licenses/by-sa/1.0)], via Wikimedia Commons
  • By Daniel Fuchs (Own work) [CC BY-SA 2.5 (http://creativecommons.org/licenses/by-sa/2.5)], via Wikimedia Commons
  • By Josef Grunig at Flickr (Flickr) [CC BY-SA 2.0 (http://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons
  • By Zhangzhugang (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
  • By Crusier (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
By Taken by Fanghong (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/) or CC BY-SA 1.0 (http://creativecommons.org/licenses/by-sa/1.0)], via Wikimedia Commons

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  • Foliage

    Leaf Arrangement : Whorled

    Leaf Venation: Nearly Invisible

    Leaf Persistance: Evergreen

    Leaf Type: Simple

    Leaf Blade: Less than 5

    Leaf Shape: Scale

    Leaf Margins: Entire

    Leaf Texture: Coarse

    Leaf Scent: Pleasant (Lemony)

    Color(growing season): Green

    Color(changing season): Green

  • Flower

    Flower Showiness: No

    Flower Sexuality: Monoecious (Bisexual)

  • Trunk

    Trunk Susceptibility to Breakage: Generally resists breakage

    Number of Trunks: Multi-Trunked

    Trunk esthetic Values: Showy

  • Fruit

    Fruit Type: Cones

    Fruit Showiness: Yes

    Fruit Size Range: 1.5 - 3

    Fruit Color: Green

    Seasons: Fall, Winter

  • By Taken by Fanghong (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/) or CC BY-SA 1.0 (http://creativecommons.org/licenses/by-sa/1.0)], via Wikimedia Commons
  • By Daniel Fuchs (Own work) [CC BY-SA 2.5 (http://creativecommons.org/licenses/by-sa/2.5)], via Wikimedia Commons
  • By Josef Grunig at Flickr (Flickr) [CC BY-SA 2.0 (http://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons
  • By Zhangzhugang (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
  • By Crusier (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
By Taken by Fanghong (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/) or CC BY-SA 1.0 (http://creativecommons.org/licenses/by-sa/1.0)], via Wikimedia Commons

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  • Tolerance

    Frost Tolerant: Yes

    Heat Tolerance: No

    Drought Tolerance: No

    Salt Tolerance: Poor

  • Requirements

    Soil Requirements: Clay, Loam, Sand

    Soil Ph Requirements: Acidic, Neutral

    Water Requirements: Moderate

    Light Requirements: Full

  • Management

    Toxicity: No

    Invasive Potential: No

    Susceptibility to Pests and Diseases: No

    Pruning Requirements: No pruning at all

    Fruit/ Leaves/ Flowers litter: No

    Surface Rooting: No

    Life Span: 25-50 years

    Edible Parts: None

    Pests: Mites

    Plant Propagation: Seed, Cutting

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