Sitka Alder

Alnus viridis (Chaix) DC. ssp. sinuata (Regel) Á. Löve & D. Löve - Birch family

Size

Mature Height: Up to around 16.0 feet

Planting Distance: 6.0 feet

Plant Type: Tree, Shrub

Root Depth: 10 inches

Growth Form: Multiple Stem

Growth Rate: Slow

Features

Flower Color: Green, Brown

Conspicuous Flowers: No

Bloom Time: Early Spring, Mid Spring, Late Spring, Early Summer, Mid Summer

Seasonal Growth: Spring and Summer

Evergreen: No

Fall Colors: Yes

Conditions

Shade Tolerance: Intermediate

Clay Soil Tolerance: No

Sandy Soil Tolerance: Yes

Drought Tolerance: Low

Flood Tolerance: Low

Fire Tolerance: High

Salt Tolerance: None

Native Range

  • USA:  Alaska, California, Oregon, Washington
  • CAN:  British Columbia, Northwest Territorie, Saskatchewan, Yukon
Regional Native Status: L48 (N), AK (N), CAN (N)

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.