Common buckthorn, a woody shrub/small tree in the Rhamnaceae family, is an understory invasive that produces large amounts of seeds and outcompetes many native species. Additionally, this species is ...

It requires patience to bring it to its knees. Here’s how to identify it and kill it. Common buckthorn, the most widely-found ...

It is likely that you have common buckthorn in your garden. I also battle buckthorn in my home garden. The large buckthorns in my neighbor’s backyard mean that buckthorn removal is a constant ...

New University of Minnesota research suggests that seeding native plants alongside invasive removal efforts may turn the tide ...

The team, comprising researchers from US and Australian universities, decided to focus its attention on common buckthorn (Rhamnus cathartica), which is an invasive shrub species in North America.

Common buckthorn (rhamnus cathartica ... Merchants with questions about the bans on these invasive species should contact ra-plant@pa.gov. Photos of the plants can be downloaded at invasive.org.