Originally from Eurasia, giant hogweed (Heracleum mantegazzianum ... the weed causes a reaction called phytophotodermatitis, leaving burns, blisters, and purplish-black scars in its wake.

In short - the sap of giant hogweed can cause burns. It contains furocoumarin, which makes skin extremely sensitive to sunlight. “If the sap gets onto your skin and it's then exposed to the sun ...

Giant hogweed looks like a larger version of Queen ... The oil, when activated by sunlight, causes “severe second-degree burns” and large blisters or ulcers, she said. If that oil is rubbed ...

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

Giant hogweed hit the news for hospitalising two boys last week. It’s seriously dangerous if handled with bare hands and the burns caused by the chemicals in the sap, known as furocoumarins, may ...

Oskars Mezhniyeks has spent eight years trying to stop the spread of giant hogweed, an invasive toxic weed, advancing on land surrounding his home in Latvia. The sap can cause severe blistering if ...

April is the best time to destroy giant hogweed before it grows too, well, giant, and Brant County landowners will play a pivotal role in fighting the invasive species, according to a local ...