Indian Grass - Cheyenne (Sorghastrum nutans), 400 Certified Pure Live Seed, True Native Seed FREE SHIPPING Number of seed is Pure Live Seed, not bulk Species is US Native, not introduced alien We grow the seed so we control quality A 3 to 6 tall native perennial warm season bunch grass featuring bronze plume-like seed heads. A principal grass of Central and Eastern grasslands, preferring dry to medium sites in full sun. Cheyenne Cultivar plant material is from near Fort Supply, Oklahoma and was developed for seed production.