Find a description of the toxic invasive plant's biology, distribution and habitat and explore efforts to limit its spread.

Learn how to identify, avoid and control this highly toxic weed, whose sap can cause blistering and photosensitivity.

Article on a New York State encounter with the enormous exotic plant offers cautionary advice about the hogweed's phototoxic sap

Invasive plant can crowd out native species and is a hazard to human and animal health. Explore control and eradication strategies.

Find a description of the huge exotic weed, learn about its hazardous sap and find advice on controlling its spread.

Fact sheet on the noxious invasive plant describes its biology, habitat and hazards to human and animal health. Find advice on managing the weed.