| Scientific Name: | Thuja plicata |
| Common Name: | western red cedar |
| Family Name: | Cupressaceae |
| Origin: | B.C. west of Cascades, U.S. - northwest |
| Hardiness Zone: | Zone 6: (-23 to -18 °C) |
| Plant Type: | Conifer |
| Mature Size: | > 30m x 10 - 15m (height x width) |
| Habit: | Upright |
| Form: | Pyramidal - widely |
| Texture: | Medium |
| Landscape Uses: | Floristry, Forestry, Hedge row, Mixed shrub border, Sheared hedge, Specimen plant |
| Exposure: | Full sun, Part sun/part shade |
| Soil or Media: | Acidic, Well-drained |
| Leaves: | Scale-like, Opposite, Imbricate, Leathery, Glabrous, Lustrous, Rhomboidal, Entire |
| Flowers: | n/a (male cone), Brown, Black, Mar-Apr |
| Fruit: | Cone (winged seeds), Brown, Jul-Aug-Sep |
| Key ID Features: | |
| Branches arching, branchlets pendent flattened sprays 15-50cm long × 5-15cm wide; leaves scale-like in flattened opposite pairs with white marking on underside; 1-6mm long including decurrent base; pollen cones 1-3mm, borne in a cup formed by two leaf pairs at the tips of lateral spray branchlets; seed cones ellipsoid, with 4 pairs of scales (2-3 fertile pairs) arranged in 4 ranks, 10-12mm long and about half as wide when dry and fully opened, each with a nearly terminal deltate projection; seeds 8-14 per cone, 4-7.5mm long including wings, reddish brown. <a href ='https://www.conifers.org/cu/Thuja_plicata.php' target='_blank'>Conifers.org</a> | |