Marsh hedgenettle

Perennial herbaceous plant reaching 91 cm. Introduced to Québec. Grows in marshes. Purple flowers, from July to October.

There are 238 observations of Marsh hedgenettle in Québec, mostly in Capitale-Nationale, Montérégie and Chaudière-Appalaches, and it has been reported in 16 of the 17 regions. They peak in July and become rare from October to May.