Sea Buckthorn (Seaberry) vs Creeping Oregon Grape - TreeTime.ca

Sea Buckthorn (Seaberry) vs Creeping Oregon Grape

Mahonia repens

Hippophae rhamnoides l.

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Creeping Oregon Grape
Sea Buckthorn (Seaberry)

Creeping Oregon Grape is an excellent ground cover plant with attractive, dark green, holly-like leaves. It maintains its leaves throughout winter, which turn mauve, rose, and rust-colored. Clusters of bright, yellow flowers develop into dark, blue-purple edible berries ideal for juice or wine.

Sea Buckthorn, aka Seaberry, is a nitrogen fixing shrub that produces attractive berries high in vitamin C.

While we can't confirm claims that the berries are effective in treating various ailments, many people believe consuming the berries helps with arthritis, infections, and asthma, among other things.

Sea Buckthorn plants have attractive pale silvery-green leaves, dense branches, and large thorns, people like to grow in ornamental hedges or as a first row in a shelterbelt.

Note: Sea Buckthorn is dioecious, meaning male and female flowers grow on separate plants. Both are required for fruit production, though only female plants bear fruit. A plant’s sex typically cannot be identified until its third or fourth year. Our seedlings are too young to determine their sex.

Creeping Oregon Grape Quick Facts

Sea Buckthorn (Seaberry) Quick Facts

Zone: 5a
Zone: 2b
Height: 0.3 m (1.0 ft)
Height: 5 m (15 ft)
Spread: 0.5 m (1.5 ft)
Spread: 4 m (12 ft)
Light: partial shade, full sun
Light: full sun
Moisture: dry, normal
Moisture: dry, normal
Growth rate: slow
Growth rate: medium
Life span: long
Life span: medium
Suckering: medium
Suckering: high
Maintenance: medium


Foliage: slender silvery-green leaves
Fall colour: purple and bronze
Flowers: yellow
Fruit: large blue/purple
Berries: small, edible
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


In row spacing: 0.9 - 1.2 m (3 - 4 ft)
Between row spacing: 5 m (16 ft)
Native to: AB, BC
Other Names: ash barberry, creeping barberry, creeping holly grape, creeping mahonia, creeping oregon-grape, creeping western barberry, holly grape, mountain holly, oregon barberry
Other Names: sallowthorn, sandthorn, seaberry