Alnus > Alnus japonica > Alnus japonica
Alnus japonica
Japanese Alder
Origin: Japan, China, Korea and Manchuria.
| Family |
| Betulaceae |
| Genus |
| Alnus |
| Species |
| japonica |
| Type |
| Tree (deciduous) |
| USDA Hardiness Zone |
| 5 - 7 |
| Canadian Hardiness Zone |
| 4a - 7a |
| RHS Hardiness Zone |
| H7 - H5 |
| Temperature (°C) |
| (-26) - (-12) |
| Temperature (°F) |
| (-15) - 10 |
| Height |
| 12-18 m |
| Spread |
| 9-15 m |
Photographs
Cultivars
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Description and Growing Information
Flowering Period
| General Description |
| This tree has been added to the IUCN Red List as least concern. |
| Landscape |
| Woodland areas. |
| Cultivation |
| Medium to wet soils in full sun to partial shade, thrives in cool climates. |
| Shape |
| Conical to pyramidal. |
| Habitat |
| Forests, stream banks, swamps and roadsides. |
| Leaf Description |
| Narrow ovate to elliptic, dark green leaves with a light green underside, 13 cm in length. |
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