Big sacaton is a native, warm-season grass that forms dense clumps. It is a coarse, upright bunchgrass that can grow from 3 to 8 feet tall. Leaves width can range from 1 to 2 1/2 inches wide and can grow up to 1 foot long. The pale flowers of big sacaton form in stiff, upright clusters 1 to 2 feet long. This grass is very useful for native restoration and erosion control along creek and river channels from the hill country into the South Texas plains.