The flowers are also eaten. This site is provided to Mr. Freedman by Dr. Jules Janick, Emeritus Professor and Former James Troop Distinguished Professor of Horticulture. The content on this site is ...

Willow weed, formerly called Polygonum persicaria, grows well under moist conditions ... Stems often have a reddish tinge, which is why some farmers incorrectly call this weed "redshank." Flowers are ...