This flower occurs in both dry and moist soils in open woods, glades and thickets. While the flower heads are often produced one per stem, it is not unusual to find them in arrays with 2 to 7 flowers per stem.
Similar in appearance and also commonly referred to as Black-eyed Susan, Rudbeckia hirta is an annual rather than perennial. These two, oft-confused, species provide an excellent example of the importance of referencing the scientific name for a plant.
Nativar Research Project: Contribute your pollinator observations of this native plant and four of its cultivars. Are pollinators as attracted to the nativars as they are to the original native plant? Read more at the Nativar Research Project page.