European buckthorn (Rhamnus cathartica)

Return to our Trees of Canada resource here:
Trees of Canada →


deciduous tree icon



tree has become naturalized


Edible fruit/nut tree?



Latin (scientific) name: Rhamnus cathartica

Common English name: European buckthorn

Other names: Common buckthorn, Buckthorn, Purging buckthorn

French name: Nerprun cathartique


No information available

Other notes

Known to be an invasive species in all or part of Canada.

This species is listed in our Tree Killers resource. Learn more here.

Hardiness zone(s)

3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a

  • Zone 0
  • Zone 1
  • Zone 2
  • Zone 3
  • Zone 4
  • Zone 5
  • Zone 6
  • Zone 7
  • Zone 8
  • Zone 9

A hardiness zone is a geographically defined area where a given plant is capable of growing. Hardiness zones are based largely on climate, particularly minimum temperatures. Zone 0 covers the harshest areas in Canada for plant species. Higher numbers represent more temperate areas.

For more information on plant hardiness zones in Canada, visit Natural Resources Canada.


View our other resources!

Book outside


Follow us on social media to keep up-to-date.