Alnus rubra

Slender, pyramidal form. Red buds reveal red-green catkins in spring. Inner bark is orange-red. Green leaves are blue-green beneath. Hardy. Tolerates moist soils. Catkins are a source of pollen for bees in early to mid-spring. Fixes nitrogen in the soil, so good for improving soil conditions for other plants.

Exotic

Deciduous

Tolerates windy sites

Clay soils

Poor draining soils

Attracts bees

Family: Betulaceae, birch family, a family of mostly Northern Hemisphere deciduous trees and shrubs.

Genus: Alnus, alnus (Latin, noun), meaning 'alder'. Commonly known as alder, a genus of trees and shrubs.

Species: Alnus rubra, rubra (Latin, adjective), meaning 'red', in reference to the orange-red inner bark.

Common Name: Red Alder

Description: Slender, pyramidal form. Red buds reveal red-green catkins in spring. Inner bark is orange-red. Green leaves are blue-green beneath. Hardy. Tolerates moist soils. Catkins are a source of pollen for bees in early to mid-spring. Fixes nitrogen in the soil, so good for improving soil conditions for other plants.

Height: 10m

Width: 5m

Uses: Attracts bees

Tolerates: Windy

Soil Type: Clay soils, Poor draining soils

Winter Foliage: Deciduous

Origin: Exotic

Foliage:

• Summer: Green

• Autumn: Green

• Winter: None

• Spring: Green

Flowers:

• Summer: None

• Autumn: None

• Winter: None

• Spring: Red, Green