Sandbar Willow vs Red Alder - TreeTime.ca

Sandbar Willow vs Red Alder

Salix exigua

Alnus rubra

CUSTOM GROW

CUSTOM GROW

Sandbar Willow
Red Alder

Sandbar Willow is a deciduous species native to much of North America. This mid-sized, fast-growing shrub can be found in very wet areas, making it an ideal plan to use in a wet area with erosion risk.

Sandbar Willow has long, narrow green leaves, and its grassy narrow stems give it an attractive, bamboo-like appearance.

All willow are important to native pollinators each spring as they have higher amounts of pollen and nectar early each growing season when other food sources are scarce.

Red Alder is a fast-growing deciduous tree native to western North America. Its fixes nitrogen, which enriches soils and supports the growth of surrounding plants. Ideal for sites with poor soil conditions, or areas disturbed by logging, construction or fire.
It provides shade in riparian areas, creating cover for fish. Its seeds and buds are eaten by birds and small mammals, while the foliage provides browse for wildlife. The catkins release clouds of pollen attracting bees and other insects.
The Red Alder gets its namesake from the rusty-red color the bark turns when bruised.

Sandbar Willow Quick Facts

Red Alder Quick Facts

Zone: 2a
Zone: 5b
Height: 4 m (13 ft)
Height: 15 m (50 ft)
Spread: 3 m (10 ft)
Spread: 9 m (30 ft)
Light: partial shade, full sun
Light: partial shade, full sun
Moisture: any
Moisture: normal, wet
Growth rate: fast
Growth rate: fast
Life span: short
Life span: medium
Growth form: upright, rounded to conical
Spreading: seeds - medium, stump sprouting - medium
Suckering: medium


Bark: smooth, grey
Seeds: located within the capsules on the catkins
Hybrid: no
Hybrid: no
Catkins: yes
Catkins: yes


Native to: AB, BC
Native to: BC
Other Names: oregon alder, pacific coast alder, western alder