A picture of a Alnus rubra

Alnus rubra

Alnus rubra

Full Sun
Moderate watering
Frost Hardy

6a

USDA zone

-23°C

Minimum temperature

Expected size

Height
Spread

26m

Max

11m

11m

Min

7m

Flowering

  • spring
  • summer
  • autumn
  • winter

Alnus rubra Overview

A fast-growing deciduous tree with smooth, grey mottled bark, which can reach up to 30m in height. The male catkins are crimson red and the female catkins are very small and green and turn into dark brown, cone-like fruit.

Common problems with Alnus rubra

How to propagate Alnus rubra

Cuttings

Seed or hardwood cuttings.

Seed

Special features of Alnus rubra

Hedge plant

Other uses of Alnus rubra

Hedging, banks, firewood, nitrogen fixing. Indigenous Americans used the bark to camouflage their fishing nets. In traditional medicine, the bark has been used to treat skin complaints, lymphatic disorders and TB. In modern medicine, the plant has been shown to contain chemical compounds effective in the reduction of tumours. The wood is a traditional choice for smoking salmon because of its high oil content.