Sow Thistle, Perennial

Regulated Act: Alberta Weed Control Act

Provincial Designation: Noxious

Colour: Yellow

Latin Name: Sonchus arvensis

Fact Sheet1: Click Here to View/Download PDF
A close up of some weeds with one flower

Close-up of perennial sowthistle flowers with blurred background
A close up of some yellow flowers with green stems
A close up of yellow flowers with text