Thuja Species, Giant Arborvitae, Giant Cedar, Pacific Red Cedar, Western Red Cedar

Thujaplicata

Family
Cupressaceae (koo-press-AY-see-ee)
Genus
Thuja (THOO-yuh)
Species
plicata (ply-KAY-tuh)
Synonym
Thuja gigantea
Sun Exposure
Full Sun
Foliage
Grown for foliage
Evergreen
Shiny/Glossy
Height
over 40 ft. (12 m)
Spacing
20-30 ft. (6-9 m)
Hardiness
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Danger
N/A
Bloom Color
Inconspicuous/none
Bloom Time
N/A
Other Details
Category
Trees
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
From softwood cuttings
From semi-hardwood cuttings
From hardwood heel cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
Seed Collecting
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Roslindale, Massachusetts

Cincinnati, Ohio

Grants Pass, Oregon

Dallas, Texas

West Jordan, Utah

Langley, Washington

Olympia, Washington

Seattle, Washington

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Gardener's Notes:

2
positives
1
neutral
0
negative
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C
ROSLINDALE, MA | March 2014 | neutral

This makes an imposing, fast-growing, broadly pyramidal evergreen tree under good conditions. Unlike Thuja occidentalis cultivars, it she...Read More

A
Seattle, WA | June 2009 | positive

Fast growing Pacific Northwest native. Graceful form, usually healthy and beautiful looking with no care. We have a 60ft one next to our ...Read More

N
Edmonton, AB (Zone 4a) | October 2008 | positive

This is a great tree for large areas. I have seen it growing into probably zone 2b. It was about 30km west of Jasper, AB.

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Common Gull
(Cepora nerissa)
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(Tyrannus forficatus)
Featured
Common Gull
(Cepora nerissa)
Scissor-tailed Flycatcher
(Tyrannus forficatus)