It spreads by seeds and is found in a variety or environmental conditions.
Black henbane is narcotic and poisonous to humans .
Livestock avoid it unless other forage is not available. The entire plant is covered with greasy hairs. Leaves are up to 8 inches long and 6 inches wide, shallowly lobed , and heavy scented. Flowers are borne on spikes form the leaf axils from May until September. No biological control agents are available for control of black henbane, but herbicides can provide excellent control.