Most thistles go unnoticed until they bolt (put up a flowering stalk). When thistles bolt and begin to flower each spring, folks who want to control them call the Noble Foundation. By the time they ...

This has been a phenomenal year for germination of noxious weeds. Scotch thistle, for instance. Scotch thistle grows up to 13 feet tall. Cutting the root 2 inches below ground will kill that root and ...