Giant hogweed is an invasive plant which can cause severe burns on human skin; ... Mr Knight said the plant has 'long stems topped with umbrella-like clusters of tightly packed white flowers'.

Identifying giant hogweed as people warned that plant flowering in June and July is toxic to them and dogs ... They produce umbrella-shaped clusters of white flowers on top.

Giant hogweed has clusters of umbrella-shaped white flowers. The plant can grow 7-14 feet tall and has stems that are green with purple splotches, according to the Michigan invasive species list . 2.