Gardener's-garters

Toxic. Perennial herbaceous plant reaching 1.8 m. Invasive. Grows in thickets and near water. Yellow flowers, from May to July.

There are 1,164 observations of Gardener's-garters in Québec, mostly in Montérégie, Estrie and Capitale-Nationale, and it has been reported in every region. They peak in June and July and become rare from November to April.