Alnus rubra

Red Alder, Oregon Alder

Family: Betulaceae Birch


Type Tree
USDA Hardiness range 7A - 8B
Exposure Partial shade to full sun
Bloom color n/a
Bloom time Spring
Water needs Moist
Landscape uses Border, erosion control, woodland garden
Height 40' to 70' / 12.20m to 21.40m
Spread 20' to 25' / 6.00m to 7.60m
Growth rate Moderate
Persistence Deciduous
Bloom attributes Attracts butterflies
Leaf color Green
Fruit color Brown
Soil pH requirements Acidic, neutral, slightly alkaline
Soil type Sandy, clay, loamy
Form Oval, pyramidal
Attributes and features Attracts birds, native to North America, invasive