Pussy Willow vs Sitka Alder - TreeTime.ca

Pussy Willow vs Sitka Alder

Salix discolor

Alnus alnobetula subsp. sinuata

COMING SOON

(new stock expected: fall of 2025)

CUSTOM GROW

Pussy Willow
Sitka Alder

Pussy Willow is a large shrub or small tree that produces catkins that are soft, silky, and silvery before leaves appear in the spring. This native willow prefers moist to wet soil.

Pussy Willow makes a beautiful accent tree, and its bright branches can be used for floral arrangements or basket making.

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.

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.

Pussy Willow Quick Facts

Sitka Alder Quick Facts

Zone: 2a
Zone: 2a
Height: 7 m (23 ft)
Height: 5 m (15 ft)
Spread: 3 m (10 ft)
Spread: 3 m (10 ft)
Light: partial shade, full sun
Light: partial shade, full sun
Moisture: normal, wet
Moisture: wet
Growth rate: fast
Growth rate: medium
Life span: long
Life span: medium
Growth form: upright to prostrate, thicket-forming
Spreading: seed - medium, layering - medium
Suckering: high


Bark: redish-brown to grey, smooth
Seeds: located within the catkins
Hybrid: no
Hybrid: no
Catkins: yes
Catkins: yes


Native to: AB, BC, SK, MB, ON, QC, NS, NB, NL, NT, PE
Native to: AB, BC, YT, NT
Other Names: american willow
Other Names: wavy leaf alder