Herbaceous perennial native to eastern US that blooms in spring and is pollinated by hummingbirds, butterflies and bees.  The genus name is derived from the Latin work for eagle as the pink & yellow flower petals resemble an eagle's claw.  It tolerates a variety of soils and is deer resistant.  It freely self-seeds, blooming the second year.  It is a host plant for the duskywing butterfly.  Start indoors early fall on surface of planting medium.  Germination in 2-4 weeks.  Transplant in April.  Or direct sow in fall or early spring. Requires moist cold treatment and light to germinate.