Scientific name: Alnus rubra (N)
Common name: red alder
Family name: Betulaceae
Useful cultivars and selections:
USDA hardiness zone: 3
Mature height and spread: 22-30m tall, 7-10m spread
Form: Oval, upright, pyramidal
Water use: Moderate
Soil requirements: well-drained
Leaf arrangement: Simple. Alternate.
Fall colour: Yellow, brown; insignificant
Flower/cone/fruit description: Catkin flower. Brown cone nut.
Limitations: Very large, not an urban tree
Suitable uses: Erosion control, reclamation. Wetlands.
Quick ID description: Simple. Alternate. Ovate. Double serrate with rolled under edges. Persistent woody cone. Green catkin flower. Veins felt only on back of leaf