Experts issue warning about fast-spreading grass that could wreak havoc in US: 'Quite harmful'

Experts issue warning about fast-spreading grass that could wreak havoc in US: 'Quite harmful'

Japanese stiltgrass, an invasive grass not native to Wisconsin, has been spotted in a private woodland near Beloit in Rock County, the Gazette Xtra reported. Experts warn the presence of this sprawling grass could carry serious consequences for the region's native ecosystems. What's happening? In August 2025, the University of Wisconsin–Madison Extension specialists and Wisconsin DNR discovered a significant infestation of Japanese stiltgrass in…