Western Redcedar
Thuja plicata Donn ex D. Don - Cypress familySize
Mature Height: Up to around 150.0 feet
Planting Distance: 6.0 feet
Plant Type: Tree
Root Depth: 30 inches
Growth Form: Single Stem
Growth Rate: Slow
Features
Flower Color: Red, Purple
Conspicuous Flowers: No
Bloom Time: Mid Spring
Seasonal Growth: Spring and Summer
Evergreen: Yes
Fall Colors: No
Conditions
Shade Tolerance: Tolerant
Clay Soil Tolerance: No
Sandy Soil Tolerance: No
Drought Tolerance: Low
Flood Tolerance: None
Fire Tolerance: Low
Salt Tolerance: None
Ecosystem Interactions
Pollinators: Larval Host (Butterfly); Larval Host (Moth); Wind
Larval Species depending on Western Redcedar: Acleris variana, Anavitrinella pampinaria, Argyresthia freyella, Argyrotaenia citrana, Argyrotaenia dorsalana, Argyrotaenia niscana, Aseptis binotata, Callophrys eryphon, Campaea perlata, Caripeta divisata, Cladara limitaria, Ditula angustiorana, Ectropis crepuscularia, Eilema bicolor, Enypia griseata, Enypia packardata, Enypia venata, Epinotia subviridis, Epirrita autumnata omissa, Eupithecia annulata, Eupithecia gibsonata, Eupithecia graefii graefii, Eupithecia harrisonata, Eupithecia intricata taylorata, Eupithecia longipalpata, Eupithecia palpata, Eupithecia placidata, Eupithecia sabulosata, Eupithecia transcanadata, Eupithecia unicolor, Eupithecia usurpata, Gabriola dyari, Hydriomena irata, Hydriomena renunciata, Hypagyrtis piniata, Idia aemula, Lambdina fiscellaria lugubrosa, Lambdina fiscellaria somniaria, Lophocampa argentata, Malacosoma californica pluvialis, Melanolophia imitata, Mitoura nelsoni, Mitoura nelsoni nelsoni, Nematocampa filamentaria, Neoalcis californiaria, Nepytia phantasmaria, Nepytia umbrosaria nigrovenaria, Orgyia antiqua, Orthosia hibisci, Palthis angulalis, Panthea portlandia - group, Pero behrensaria, Pero mizon, Pero morrisonaria, Phlogophora periculosa, Protoboarmia porcelaria, Protoboarmia porcelaria indicataria, Semiothisa granitata-group, Semiothisa setonana, Spiramater lutra, Stenoporpia albescens, Synaxis pallulata, Syngrapha alias, Syngrapha selecta, Thallophaga hyperborea, Xestia mustelina
Native Range
- USA: Alaska, California, Idaho, Montana, Oregon, Washington
- CAN: Alberta, British Columbia
State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.