College of Agriculture, Health and Natural Resources

Plant Database

Rhamnus cathartica

Common Buckthorn, European Buckthorn

Rhamnaceae

Common Buckthorn, European BuckthornCommon Buckthorn, European BuckthornCommon Buckthorn, European BuckthornCommon Buckthorn, European BuckthornCommon Buckthorn, European BuckthornCommon Buckthorn, European Buckthorn
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Habitat

  • native to Europe and parts of Asia
  • naturalized widely in the eastern half of the United States
  • hardy to zone 3
  • Special Note: This species has demonstrated an invasive tendency in Connecticut, meaning it may escape from cultivation and naturalize in minimally managed areas. For more information, .

Habit and Form

  • a large deciduous shrub
  • rounded crown
  • suckers
  • 18' to 25' tall
  • width is usually equal or slightly less
  • medium texture
  • fast growth rate

Summer Foliage

  • subopposite leaf arrangement
  • simple, elliptic leaves
  • 1.5" to 3" long
  • subcordate leaf base
  • serrated leaf margin
  • dark green leaf color

Autumn Foliage

  • yellowish-green leaf color
  • not impressive

Flowers

  • dioecious
  • small, green flowers
  • blooms in May
  • not showy

Fruit

  • berry-like drupe
  • black and glossy color
  • 0.25" in diameter
  • fruit covers branches
  • can be showy
  • birds enjoy fruit
  • poisonous

Bark

  • color is light brown
  • slender stems
  • scaley

Culture

  • full sun
  • easy to transplant
  • tolerant of most conditions
  • prune tolerant

Landscape Use

  • screen
  • hedge
  • for fruiting effect
  • to attract wildlife

Liabilities

  • weedy appearance
  • invasive in some areas
  • leaf spot
  • powdery mildew
  • aphids, scales and rusts

ID Features

  • jet, black fruit along stems
  • subopposite leaf arrangement
  • small imbricate, appressed buds
  • terminal bud modified into a spine

Propagation

  • by seed

Cultivars/Varieties

  • none

© Copyright Mark H. Brand, 1997-2015.

The digital materials (images and text) available from the UConn Plant Database are protected by copyright. Public use via the Internet for non-profit and educational purposes is permitted. Use of the materials for profit is prohibited.

Citation and Acknowledgements: University of Connecticut Plant Database, https://plantdatabase.uconn.edu/, Mark H. Brand, Department of Plant Science and Landscape Architecture, Storrs, CT 06269-4067 USA.