Giant hogweed (Heracleum mantegazzianum) is a VERY LARGE, invasive plant that can cause painful burns and permanent scarring. Brushing against or breaking the plant releases sap that, combined with sunlight and moisture, can cause a severe burn within 24 to 48 hours.
For more information about giant hogweed, including eradication efforts, plant ID, or to view the 2018 Annual Report, visit the DEC's website.