| Scientific Name: | Cryptomeria japonica |
| Common Name: | Japanese cedar |
| Family Name: | Cupressaceae |
| Origin: | S.E. Asia / Japan / China |
| Hardiness Zone: | Zone 6: (-23 to -18 °C) |
| Plant Type: | Conifer |
| Mature Size: | 15 - 22m x 5 - 7m (height x width) |
| Habit: | Dense |
| Form: | Pyramidal - narrowly |
| Texture: | Medium - coarse |
| Landscape Uses: | Accent plant, Fall interest, Rock garden, Sheared hedge, Small garden/space |
| Exposure: | Full sun, Part sun/part shade, Sheltered |
| Soil or Media: | Acidic, Humus rich, Well-drained |
| Leaves: | Simple, Needle-like, Spiraled, Soft flexible, Glabrous, Acicular, Falcate, Linear, Entire |
| Flowers: | n/a (male cone), Green, Brown, Jan-Feb |
| Fruit: | Cone (winged seeds), Brown, Sep-Oct, (Persistent) |
| Key ID Features: | |
| Leaves spirally arranged in 5 ranks, spreading or pointed forward, subulate to linear, with needle-like awls, (0.4-)0.7-1.4(-2)cm long x 0.8-1.2mm wide; grey-green to bronze in winter; pollen cones usually crowded into a terminal, sessile, oblong raceme of 6-35, ovoid or ovoid-ellipsoid, (2-)2.5-5(-8) x (1.3-)2-3(-4)mm, plum red turning yellow when mature; seed cones in groups of 1-6, terminal, nodding, sessile, globose or subglobose, 0.9-1.6(-2.5) x 1-2(-2.5)cm; cone scales 20-30, ripen brown in the first year and persist 1-2 years longer; seeds 2-5 per scale, brown or dark brown, 4-6.5 x 2-3.5mm with wings 0.2-0.25mm wide; seedlings with (2-)3(-4) linear cotyledons up to 2cm long. <a href ='https://www.conifers.org/cu/Cryptomeria.php' target='_blank'>Conifers.org</a> | |