It flowers from july to september. The scented flowers are hermaphrodite (have both male and female organs). It is hardy to zone 6 and is frost tender. The lower leaves are broad and spatula shaped. Upper leaves may be oblong, are smooth at the edges, and are arranged alternately along the stem. Seeds are crescent to horseshoe shaped with the rough exterior. Its branching stem grows to the height of 30- 60 cm