
©Eva Ekeblad
Giant hogweed
As its name suggests, giant hogweed it a large umbellifer with distinctively ridged, hollow stems. An introduced species, it is an invasive weed of riverbanks, where it prevents native species from growing.
Scientific name
Heracleum mantegazzianumWhen to see
June to AugustSpecies information
Category
Statistics
Height: up to 5mConservation status
Invasive, non-native species.