Banishing thistle weeds from your yard requires combining numerous mowing sessions, pre-flowering, and foliar herbicide applications. Mostly found in wet soils, purple loosestrife (Lythrum ...

A perennial weed with round, scalloped leaves and small purple flowers. It's known for its aggressive growth in lawns and ...

By Krishona Martinson, University of Minnesota Extension There are 11 primary noxious weeds in Minnesota, and they must be controlled on all private and public land. They’re on the noxious ...

This aggressive weed is difficult ... violet or purple, occasionally white; they are subtended by broad, spine-tipped bracts. Fruits are 3/16 inch long, shiny, yellowish-brown with a plum of white ...