Seaside Alder
Alnus maritima (Marshall) Muhl. ex Nutt. - Birch family
Size
Mature Height: Up to around 30.0 feet
Planting Distance: 6.0 feet
Plant Type: Tree, Shrub
Root Depth: 20 inches
Growth Form: Single Stem
Growth Rate: Moderate
Features
Flower Color: Red, Green
Conspicuous Flowers: No
Bloom Time: Early Summer, Mid Summer
Seasonal Growth: Spring and Summer
Evergreen: No
Fall Colors: Yes
Conditions
Shade Tolerance: Intermediate
Clay Soil Tolerance: Yes
Sandy Soil Tolerance: Yes
Drought Tolerance: Low
Flood Tolerance: Medium
Fire Tolerance: Medium
Salt Tolerance: None
Ecosystem Interactions
Pollinators: Larval Host (Moth); Wind
Larval Species depending on Seaside Alder: Hyphantria cunae
Native Range
- USA: Delaware, Georgia, Maryland, Oklahoma
State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.