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 ...

Calls have been made for urgent funding to eradicate a natural public health hazard prevalent on the riverbanks of Clare. It ...

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 ...

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 ...

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 ...