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 ...

Jenson, nine, was stung by a giant hogweed in Ryhope Park, Sunderland, while trying to fetch a football. Toxic sap from the weed, which grows near canals and rivers, can increase the sensitivity ...

He said: 'Our view is that these are giant hogweed burns based on the blistering shown in the photos. 'Giant hogweed plants will still be pretty small at this time of the year and so – unless ...