Giant hogweed
Heracleum mantegazzianum
Invasive summary
A tall invasive plant whose sap can cause severe skin burns after sunlight exposure.
Known impacts
Creates public health risks, displaces native vegetation, and destabilizes streambanks.
Management notes
Avoid skin contact, report suspected plants, and use trained removal crews with protective equipment.
Native range
Caucasus region
Regions where reported
- CA - 40 public points
- US - 40 public points