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Glossy Buckthorn

Frangula alnus

Alder buckthorn in Brede High Wood

Autumn-coloured foliage of Frangula alnus cultivar 'Asplenifolia'

Frangula alnus, commonly known as alder buckthorn, glossy buckthorn, or breaking buckthorn, is a tall deciduous shrub in the family Rhamnaceae. Unlike other "buckthorns", alder buckthorn does not have thorns. It is native to Europe, northernmost Africa, and western Asia, from Ireland and Great Britain north to the 68th parallel in Scandinavia, east to central Siberia and Xinjiang in western China, and south to northern Morocco, Turkey, and the Alborz in Iran and the Caucasus Mountains; in the northwest of its range (Ireland, Scotland), it is rare and scattered.

Quick Facts

Scientific name Frangula alnus
Family Rhamnaceae
Height 10-20 ft
Bloom time May-Jul
Sun Full sun to part shade
Moisture Mesic to wet
Soil Any
Wildlife value INVASIVE. Wetland counterpart to common buckthorn; overruns fens and bogs

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Image Credits

  • Patrick Roper (CC BY-SA 2.0)
  • Sten Porse (CC BY-SA 3.0)

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