Sea Buckthorn (Seaberry) vs Buttonbush - TreeTime.ca

Sea Buckthorn (Seaberry) vs Buttonbush

Hippophae rhamnoides l.

Cephalanthus occidentalis

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Sea Buckthorn (Seaberry)
Buttonbush

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.

Buttonbush is a moisture loving shrub that provides year round interest.

It has round, fragrant flowers resembling small buttons or pincushions. The flowers transform into small reddish-brown fruit that persists into winter while the leaves take on shades of red in fall.

Providing essential food to bees, butterflies, and other insects, this shrub is versatile. Try it in your next shrub border.

Sea Buckthorn (Seaberry) Quick Facts

Buttonbush Quick Facts

Zone: 2b
Zone: 4a
Height: 5 m (15 ft)
Height: 2.4 m (8 ft)
Spread: 4 m (12 ft)
Spread: 1.5 m (5 ft)
Light: full sun
Light: any
Moisture: dry, normal
Moisture: normal, wet
Growth rate: medium
Growth rate: medium
Life span: medium
Life span: long
Suckering: high
Suckering: low
Maintenance: medium


Foliage: slender silvery-green leaves
Flowers: large, white, spherical
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: ON, QC, NS, NB
Other Names: sallowthorn, sandthorn, seaberry