Giant hogweed (Heracleum mantegazzianum) also known as giant cow parsley, hogsbane, or cartwheel-flower, is a plant in the carrot family. People who touch its sap may develop giant hogweed burns ...

“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 ...

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 ...