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Japanese buckthorn

Rhamnus japonica

Also called Rigid Hair Buckthorn

Japanese buckthorn is a small deciduous tree or large shrub from Japan, grown mainly as an ornamental or wildlife plant in temperate gardens. It tolerates a range of conditions, and its berries are fruit-bearing but the plant can spread in some regions.

Family
Rhamnaceae (Rhamn family)
Grows as
Tree, Perennial
Light
Full sun, Part shade
Water
Water regularly while establishing, then once the top few centimetres of soil dry out.
Soil
Well-drained, moderately fertile soil; tolerates a range of soil types.
Temperature
Hardy to about -20 °C; protect young plants from severe frost.
How easy
Easy
Native range
Japan (Hokkaido, W. Honshu)
Climate
temperate

About

Rhamnus japonica, the Japanese buckthorn, is a species within the genus Rhamnus. It is described as a perennial tree. It was also introduced to the United States at an unknown time. In North America, it is known to live in Illinois. Rhamnus is the ancient Greek name for buckthorn. Japonica means Japanese.

Other Rhamnus plants

Mediterranean Buckthorn · Alderleaf Buckthorn · Sharp-tooth buckthorn · Frangula caroliniana · Common buckthorn · Canary Buckthorn · Dahurian buckthorn · Rhamnus glandulosa · Lokao · Rhamnus integrifolia · Rhamnus intermedia · Rhamnus lojaconoi

Text excerpted from the Wikipedia article Rhamnus japonica by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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