Prairie Dropseed (Sporobolus heterolepis), 1250 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 2 to 3 tall native perennial warm season bunch grass. A valued ornamental grass preferring dry to medium soils in full sun and it tolerates dry, droughty, and poor soils.