Alnus japonica (Japanese Alder)
Botanical Information
Family | Betulaceae |
Genus | Alnus |
Species | japonica |
Type | Tree (deciduous) |
Origin | Japan, China, Korea and Manchuria. |
Details
USDA Hardiness Zone | 5 - 7 |
USDA Hardiness Ref. | |
Canadian Hardiness Zone | 4a - 7a |
Canada Hardiness Ref. | |
RHS Hardiness Zone | H7 - H5 |
RHS Hardiness Ref. | |
Temperature (°C) | (-26) - (-12) |
Temperature (°F) | (-15) - 10 |
Height | 12-18 m |
Spread | 9-15 m |
Flowering Period | March |
Description and Growing Information
General Description | This tree has been added to the IUCN Red List as least concern. |
Shape | Conical to pyramidal. |
Landscape | Woodland areas. |
Cultivation | Medium to wet soils in full sun to partial shade, thrives in cool climates. |
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. |