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  1. Common buckthorn | (Rhamnus cathartica) | Wisconsin DNR

    Common buckthorn has a broad environmental tolerance. It leafs out very early and retains its leaves late into the growing season, giving them a longer growing season than native plants. Creates dense …

  2. Buckthorn Identification

    Common and Glossy Buckthorn can be tall shrubs or small trees which may reach 6 to 25 feet and have trunks 10 inches in diameter. Buckthorns usually have a few to several stems or trunks and …

  3. Rhamnus cathartica - Wikipedia

    Rhamnus cathartica, the European buckthorn, [3] common buckthorn, purging buckthorn, or just buckthorn, is a species of small tree in the flowering plant family Rhamnaceae.

  4. Buckthorn - Minnesota DNR

    Common, or European, buckthorn, and glossy buckthorn are the two non-native, invasive buckthorn species found in Minnesota. These buckthorn species were first brought here from Europe as a …

  5. Buckthorn: How can a shrub be so harmful? - Friends of the …

    Common buckthorn is a tall, understory shrub brought to North America in the early 1800s as an ornamental shrub, primarily to serve as a hedgerow. But this woody plant escaped from yards and …

  6. Identifying Common Buckthorn and Understanding Its Impact

    May 2, 2025 · Common buckthorn (Rhamnus cathartica) is an invasive shrub or small tree that has become a major threat to North American ecosystems. Native to Europe and western Asia, it was …

  7. Buckthorn: Accurate Identification - Penn State Extension

    Common (Rhamnus cathartica) and glossy buckthorn (Frangula alnus) are invasive shrubs or small trees. Common buckthorn is most often found invading open woodlands and forest edges while …

  8. Types of Buckthorns: Common, Glossy, and Fine Line Buckthorns

    Sep 22, 2023 · This article provides an identification guide to different types of buckthorn plants. Descriptions and pictures of various species of common buckthorn trees and shrubs will help you …

  9. Common buckthorn is native to Eurasia and was introduced to North America in the 1880s as an ornamental plant. Its abundant fruit is dispersed by birds and it spreads rapidly, replacing native …

  10. Common Buckthorn | Ohio Department of Natural Resources

    Common Buckthorn (Rhamnus cathartica), also known as European Buckthorn, is an invasive shrub found throughout Ohio, the greater Midwest, and a large portion of the eastern United States.