Sea Buckthorn (Seaberry) vs Black Hawthorn - TreeTime.ca

Sea Buckthorn (Seaberry) vs Black Hawthorn

Crataegus douglasii

Hippophae rhamnoides l.

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Black Hawthorn
Sea Buckthorn (Seaberry)

Black Hawthorn is a versatile plant that is native to wetlands and other areas with moist soils, but can also tolerate dry soils. This plant can be grown as a short shrub, or a tree reaching 30 feet tall.

Black Hawthorn is valued for erosion control and attracting pollinators. It also makes an attractive flowering ornamental that can be planted as a specimen or pruned as a hedge. It is commonly used in shelterbelts.

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: these plants typically reach maturity and make their sex easily known (females producing fruit) in their 3rd or 4th year of growth. Our seedlings are too young to identify their sex.

Black Hawthorn Quick Facts

Sea Buckthorn (Seaberry) Quick Facts

Zone: 3a
Zone: 2b
Height: 8 m (25 ft)
Height: 5 m (15 ft)
Spread: 5 m (15 ft)
Spread: 4 m (12 ft)
Moisture: any
Moisture: dry, normal
Light: partial shade, full sun
Light: full sun
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no
Fall colour: yellow to red
Berries: purplish-black pomes
Berries: small, edible
Flowers: white
Bark: brown to gray
Growth rate: medium
Growth rate: medium
Life span: medium
Life span: medium
Suckering: medium
Suckering: high


In row spacing: 0.9 - 1.2 m (3 - 4 ft)
Between row spacing: 5 m (16 ft)


Other Names: crataegus columbiana, douglas hawthorn, douglas' thornapple
Other Names: sallowthorn, sandthorn, seaberry