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Silverberry (Wolf Willow) vs Oregon Grape

Elaeagnus commutata

Berberis aquifolium (Mahonia aquifolium)

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Silverberry (Wolf Willow)
Oregon Grape

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.

Oregon Grape is an evergreen shrub native to North America, found along the Pacific coast. In spring, the bright golden-yellow flowers appear in clusters above the leaves. These flowers eventually give way to edible blue berries in late summer. While not a true grape, the berries appear grape-like due to their colouring and clustered growth. They can be eaten fresh, but the sour taste and high amounts of natural pectin make them well suited for preserves.

The Oregon Grape has leaves that are glossy, leathery, and spiny-edged. This feature gives it its alternate name of Holly-leaved Barberry. When the leaves emerge in the spring they are a bronze-red colour. In the summer they transition to green, followed by bright red to deep burgundy in the fall. Leaves are retained throughout the winter and colder temperatures cause the leaves to turn purplish bronze, providing year round interest to the landscape.

SILVERBERRY (WOLF WILLOW) QUICK FACTS

OREGON GRAPE QUICK FACTS

Zone: 1a
Zone: 5a
Height: 3 m (10 ft)
Height: 1.5 m (5 ft)
Spread: 0.9 m (3 ft)
Spread: 0.9 m (3 ft)
Moisture: dry, normal
Moisture: normal, wet
Light: partial shade, full sun
Light: shade, partial shade
Fall colour: bright red to deep burgundy
Berries: silver, edible
Berries: blue to purple, large
Flowers: yellow
Flowers: yellow
Growth rate: fast
Growth rate: medium
Life span: short
Life span: long
Maintenance: medium
Suckering: high
Suckering: medium





Other Names: american silverberry, silver berry, wolf willow