Hello Gardeners, I’m Amanda McNulty with Clemson Extension and Making It Grow . The roadsides of highway 1-77 near the Congaree River are filled right now with a very showy plant. Baccharis halimifolia , or groundsel, has moved up from the coast along with man’s disturbances. Female plants produce thousands of seeds which grow so prolifically that in some states groundsel is considered a noxious weed, even though it’s native. In harsher parts of the country, this plant is useful. Cultivars of