Prickly comfrey

Perennial herbaceous plant. Introduced to Québec. Grows in forests and near water. Flowers from May to June.

There are 15 observations of Prickly comfrey in Québec, mostly in Capitale-Nationale, Chaudière-Appalaches and Montérégie, and it has been reported in 3 of the 17 regions. They peak in June and become rare from September to April.