| Scientific Name: | Alnus hirsuta |
| Common Name: | Manchurian alder |
| Family Name: | Betulaceae |
| Origin: | B.C. west of Cascades, Central / west Asia, S.E. Asia / Japan / China |
| Hardiness Zone: | Zone 3: (-40 to -34 °C) |
| Plant Type: | Tree - deciduous |
| Mature Size: | 15 - 22m x 7 - 10m (height x width) |
| Habit: | Stiffly upright |
| Form: | Oval - vertical |
| Texture: | Medium |
| Landscape Uses: | Erosion control, Native planting, Tall background, Wetland - bogs, Woodland margin |
| Exposure: | Full sun only if soil kept moist, Part sun/part shade |
| Soil or Media: | Humus rich, Well-drained |
| Leaves: | Simple, Alternate, Soft flexible, Heavily veined, Pinnate venation, Glabrous, Lustrous, Lanceolate, Ovate, Double serrate |
| Flowers: | Catkin (ament), Yellow, Mar-Apr |
| Fruit: | Samara, Brown, Aug-Sep-Oct, (Persistent) |
| Key ID Features: | |
| Leaves alternate, ovate, most blades 7-12cm long x 4-8cm wide; coarsely double-serrate, pubescent, with heavy parallel major veins; monecious, catkins persistent. Winter ID: angular, grey pubescence when young; buds with with 2 or 3 scales. | |