Sporobolus heterolepis Prairie Dropseed Description An elegant fountain of emerald green in the summer turns golden in the fall. The showy seedheads have a fragrance described as a combination of popcorn and cilantro, and are very popular with the birds. Prefers well drained soil. Native. Sizes & Prices All Grass, Prairie Dropseed Characteristics Hardiness Zone: 3 Light requirements: Sun Height: 2-3' Spread: 2-3' Native: Yes Sizes & Prices Size: 2 Yr $14.98 Other Information Prairie Dropseed Sporobolus heterolepis Zone: 3 Sun HT: 2-3'