In some states, giant hogweed has been deemed a health threat due to its ability to burn and scar skin. Brushing against or breaking the plant releases sap that can cause blistering, and when ...

Another plant you really want to avoid touching is the wild parsnip. These look related to the aforementioned giant hogweed, ...

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 ...

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

It's the most dangerous plant in the UK say experts and just brushing it with your arm or leg can give you painful blisters ...

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

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 ...