Common Snowberry vs Sitka Alder - TreeTime.ca

Common Snowberry vs Sitka Alder

Alnus alnobetula subsp. sinuata

Symphoricarpos albus

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Sitka Alder
Common Snowberry

Sitka Alder is a native deciduous shrub or small tree that often forms dense thickets. Its extensive root system stabilizes slopes and streambanks. Nitrogen-fixing capabilities and nutrient-rich leaf litter improve soil fertility, creating better growing conditions for surrounding plants. These qualities make it especially effective in disturbed or erosion-prone sites.

Often found in moist, high-elevation mountain environments, Sitka Alder also enhances habitat by providing cover and structure in both riparian and upland areas. Birds and small mammals utilize it for nesting, and its seeds serve as a food source.

Note: We use Sitka Alder for Alnus alnobetula subsp. sinuata. This species is also known by many other common names, including Mountain Alder, Green Alder, and others. Please confirm the scientific name to ensure you are ordering the correct plant.

Common Snowberry is a small deciduous shrub with characteristic white to pink flowers and clusters of white fruit.

This North American native species is very adaptable, and can be used for erosion control in riparian and restoration areas. Snowberry's fruit attracts wildlife, and livestock can consume the berries without issue.

Sitka Alder Quick Facts

Common Snowberry Quick Facts

Zone: 2a
Zone: 1a
Height: 5 m (15 ft)
Height: 0.9 m (3 ft)
Spread: 3 m (10 ft)
Light: partial shade, full sun
Light: full sun
Moisture: wet
Moisture: dry, normal
Growth rate: medium
Growth rate: fast
Life span: medium
Life span: short
Growth form: upright to prostrate, thicket-forming
Spreading: seed - medium, layering - medium
Suckering: none


Toxicity: berries toxic to humans
Bark: redish-brown to grey, smooth
Bark: red-brown shredded bark
Flowers: pink to white flowers in spring
Berries: white waxy berries
Hybrid: no
Hybrid: no
Catkins: yes
Catkins: no


Native to: AB, BC, YT, NT
Native to: AB, BC, SK, MB, ON, QC, NT
Other Names: wavy leaf alder
Other Names: common snowberry