Originally from Eurasia, giant hogweed (Heracleum mantegazzianum) was imported into the American heartland for ornamental planting. It has since spread to stream banks, tree lines, and yards.

Ford was talking about giant hogweed, an invasive plant species found in Pennsylvania, including locally. The plant, which is toxic to humans, has been the focal point of numerous news articles ...

An invasive weed which grows in people’s gardens and in woods, fields and countryside across Britain has been dubbed ‘Britain’s most dangerous plant’ - and people are being urged never to ...

The Giant Hogweed Mitigation Project’s founder John Kemp learned about the plant — which can grow up to 18 feet tall and ...