Q: What is this bush with the black berries that's growing right next to some chokecherry trees? - Judy and Tim Hansen, Sabin, Minn. A: Thanks for the chance to discuss one of the most invasive, yet ...

Q: Do you know what berry this is? Is it bird-friendly? It's growing in our shelter belt. - Nola Storm, Fargo A: From the photo it looks like it's the large tree-like shrub called common buckthorn, ...

Introduced in early 1849 as an ornamental plant, buckthorn has become widespread in many woodlands, prairies, abandoned fields, bogs, marshes and roadsides in several states. Common buckthorn (Rhamnus ...

October’s Weed of the Month is a widespread, woody, understory shrub or tree called common buckthorn (Rhamnus cathartica). Native to Europe and Asia, it was introduced to North America as an ...

Collectively, Chicago region forest preserves, including those in Lake and Cook counties, spend more than $1 million annually to eradicate buckthorn and honeysuckle, two of the area’s most invasive ...

October is a great time of year to spot and manage the buckthorn on your property. Buckthorn is a tall shrub or small tree that can reach 25 feet tall. It is commonly found in the understory of ...

Greg Cleary’s saw rose and fell on the side of the road. When he finished hacking down a cluster of buckthorn trees, he marked a blue circle on the stumps’ growth rings with what looked like a bingo ...

The Pennsylvania Department of Agriculture has added ravenna grass, glossy buckthorn and common buckthorn to a list of noxious weeds — plants that cannot be legally sold or cultivated in the state.