Eupatorium perfoliatum, common name Boneset, grows easily in average to medium soils in full sun to part shade. Boneset has flat topped clusters of small, white flowers held above the foliage in late summer to fall. This plant has historical use for treatment of flu, fevers, colds and a variety of other ailments. All parts of boneset are toxic and bitter. Delicate flowers attract butterflies and other pollinators. Plant with coneflowers and black-eyed susans.