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.

BRITAIN'S "most dangerous" plant, giant hogweed, is starting to appear as the weather warms. Often found on riverbanks where flowing water easily spreads its seeds downstream, giant hogweed became ...

I just wanted to know what giant hogweed looked like and how I could make sure that I wasn’t going to get burned by it. The glade looked like any other cleared area – a few trees, vast swathes ...

“Never touch it.” 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 num ...