Roscoea auriculata is an attractive woodland species that grows a foot or more tall and has large, showy purple flowers with white throats in mid-summer. Grow in bright shade to sun in humus rich, moist but well drained soil. Native to the Himalayas where it grows on open rocky sites. Roscoeas are the hardiest members of the true ginger family, Zingiberacea, and are solidly hardy and easy to grow in our Zone 8 climate. Hardy to 0 degrees F.