Yellow HawkweedAlthough yellow hawkweed can be found as far south as North Carolina and Tennessee it is primarilya weed of cooler areas. It grows especially heavy in Quebec and Ontario and in states adjoining these provinces. Yellow hawkweed is a perennial that varies in height from six inches to nearly three feet. Plants are covered with bristle-like hairs and spread by seeds, slender rhizomes and stolons. Leaves are spatula-shaped and may reah ten inches in length. They appear mostly in a rosette, but an occasional leaf may be found along the following stem.