Silverberry (Wolf Willow) vs American Bittersweet - TreeTime.ca

Silverberry (Wolf Willow) vs American Bittersweet

Elaeagnus commutata

Celastrus scandens

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Silverberry (Wolf Willow)
American Bittersweet

Silverberry (also known as Wolf Willow) is a common native North American shrub. This beautiful ornamental plant has characteristic silver leaves and fragrant yellow flowers.

Its silver berries remain on the branches through the winter. Silverberry is cold hardy and has some ability as a nitrogen fixer. It can grow on dry to moist sandy/gravel soils. This plant is very low maintenance.

American Bittersweet is a deciduous, woody, perennial vine with striking orange to yellow berries that persist into winter. Indigenous to North America, this vine has become so rare it is now considered a protected species.

Excellent for naturalization projects, American Bittersweet attracts birds and other wildlife. Please keep in mind that the plant is toxic to humans and should not be ingested. To ensure the attractive berries are produced, cross-pollination between a male and female plant must occur.

Silverberry (Wolf Willow) Quick Facts

American Bittersweet Quick Facts

Zone: 1a
Zone: 3a
Height: 3 m (10 ft)
Height: 6 m (20 ft)
Spread: 0.9 m (3 ft)
Spread: 1.8 m (6 ft)
Light: partial shade, full sun
Light: full sun
Moisture: dry, normal
Moisture: normal
Growth rate: fast
Growth rate: medium
Life span: short
Life span: medium
Suckering: high
Suckering: medium


Toxicity: All parts of plant are toxic to humans
Foliage: silvery leaves
Flowers: yellow
Flowers: small white clusters
Berries: silver, edible
Berries: red-orange, toxic to mammals
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


Native to: AB, BC, SK, MB, ON, QC, YT, NT, NU
Native to: SK, MB, ON, QC, NB
Other Names: american silverberry, silver berry, wolf willow