Bitter nightshade

Toxic. Perennial climbing plant. Introduced to Québec. Grows near water and in forests. Flowers from August to October.

There are 2,587 observations of Bitter nightshade in Québec, mostly in Montréal, Montérégie and Estrie, and it has been reported in 16 of the 17 regions. They peak from July to September and become rare from November to May.