Garlic mustard

Annual herbaceous plant. Introduced to Québec and invasive. Grows in thickets and in mountains. Flowers from April to June.

There are 1,814 observations of Garlic mustard in Québec, mostly in Montréal, Montérégie and Outaouais, and it has been reported in 12 of the 17 regions. They peak in May and become rare from August to March.