blog posts Invasive plant that produces severe burns, scars prompts warning Aug 6, 2025 9:45 am by WMAQ-TVIllinois in the News Share on Facebook Tweet Email Images WMAQ-TV (Aug. 4) Giant hogweed secretes a clear, toxic sap, and it has been previously spotted in numerous states, including Illinois. 'It looks like Queen Anne’s lace on steroids,' according to University of Illinois Extension. Share on Facebook Tweet Email