Grass, Side Oats GrammaSideoats Grama is a small clump forming native perennial ornamental grass noted for its oat like seed spikes hang from one side of its stems. The narrow blue grey leaf blades turn golden brown in fall, and may sometimes gain a red orange hue. Small purple tinged flowers rise on stems in summer which fades to tan as they mature. Sideoats Grama prefers well drained soils in full sun. Drought Tolerant. Type: Orn. Grass, Perennial Origins: from N. to S.