Heracleum mantegazzianum, commonly known as giant hogweed, cartwheel-flower, giant cow parsley, giant cow parsnip, or hogsbane is a flowering plant in the family Apiaceae.In New Zealand, it is also sometimes called wild parsnip (not to be confused with Pastinaca sativa) or wild rhubarb. It typically grows to heights of 2 to 5.5 m (6 ft 7 …

Giant hogweed (Heracleum mantegazzianum) is a Federally listed noxious weed. Its sap, in combination with moisture and sunlight, can cause severe skin and eye irritation, painful blistering, permanent scarring and blindness. Contact between the skin and the sap of this plant occurs either through …

Department of Agriculture & Rural Development – The potentially dangerous presence/invasion of the Giant Hogweed plant in Michigan.

Background. Giant Hogweed (Heracleum mantegazzianum) is a perennial plant and a member of the carrot family.It is a garden ornamental from southwest Asia that is naturalizing in North America and becoming more common in …