Black Alder
| Scientific name | Alnus glutinosa |
| Common name | Black Alder |
| Type | Trees |
| Variety | Deciduous |
| USDA Zone hardiness | 4a - 7b |
| Exposure | Full sun |
| Height | 40 to 50' |
| Spread | 30 to 40' |
| Scientific name | Alnus glutinosa |
| Common name | Black Alder |
| Type | Trees |
| Variety | Deciduous |
| USDA Zone hardiness | 4a - 7b |
| Exposure | Full sun |
| Height | 40 to 50' |
| Spread | 30 to 40' |
Rapid growing European native thrives in truly wet soil. The grayish brown bark is complemented by nutlets that mature in October and persist in pistillate catkins over winter. A good choice where a large windbreak is needed, clumps have 2 or more stems.