Black Seeded Needle Grass (Piptochaetium avenaceum) grows 2 ft. in height and to 3 ft. when with flower. It is a medium size perennial clumping grass. . It is great for natural landscapes, wildflower gardens, and restorations. Grasses serve many ecological services which should be considered when planning landscapes. Black Seeded Needle Grass needs moist to dry, well drained soils that are acidic to neutral and full sun to filtered, bright shade. This is currently an underutilized native bunch grass!