Graham Roberts (left) leads the team of "balsam bashers" on the River Lim [River Lim Action] "We got to the field and it was just a sea of pink," said retired conservationist Graham Roberts, who is ...

Officials have discovered a highly invasive plant spreading in the Midwest and issued a warning. The Michigan Department of Natural Resources issued an alert over the discovery of “invasive purple ...

Purple jewelweed, an invasive plant, has been found in Michigan's Lower Peninsula, the Department of Natural Resources said on Tuesday, Aug. 26. Also known as the Himalayan balsam, the jewelweed was ...

Volunteers have been working to remove an invasive plant species from riverbanks in Worcester. Himalayan balsam, likened to Japanese knotweed, was "rampant" along the Severn and the Teme, they said.

An invasive plant has been detected at a park in Southwest Michigan. Purple jewelweed (Impatiens glandulifera), also known as Himalayan balsam, was recently detected in Kalamazoo’s Frayz Park thanks ...

"We got to the field and it was just a sea of pink," said retired conservationist Graham Roberts, who is waging a war on Himalayan balsam. He says he is retired but each summer he leads a team of ...