Alnus rubra
West coast native tree with bright red catkins in the spring. Plant in wet land areas.
| Common Name | red alder |
| Landscape Zone | LZ3 |
| Firewise Rating | AT RISK Firewise (3) |
| Urban Use | High |
| Invasive | No |
| Native | No |
| Utility Use | No |
| Ladder Potential without Pruning | Yes |
| Cold Hardiness Zone | 6 |
| Heat Tolerance Zone | 4 |
| Sun Exposure | Full Sun |
| Soil pH | Adaptable |
| Tolerance to Poorly Drained Soils | High |
| Salt Tolerance | Yes |
| Drought Resistance | Low |
| Pest Resistance | High |
| Plant Form | Oval |
| Plant Height Mature Size in feet | 40 |
| Plant Height Mature Size in meters | 12 |
| Bark | Smooth |
| Leaf Arrangement | Alternate |
| Leaf Persistance | Deciduous |
| Leaf Color | Green None |
| Leaf Type | Simple |
| Leaf Surface | Glabrous |
| Leaf Characteristics | Papery-thin |





