Native Ornamental grass seeds drought tolerant Xeriscape landscaping 1500 Big Bluestem grass seeds. 4.5+ grams of seeds. Native to prairies across North America, big bluestem is used extensively in landscaping, agriculture, and landscape conservation efforts. It is a hardy ornamental grass that can tolerate poor soil conditions and drought, and it is even adapted to fire. Big bluestem is not only revered for its functional properties but it is also grown for its decorative features. This grass adds a pop of color to a landscape all year round—transitioning from bright green in the spring, to a blue-green in the summer, and a fiery copper-red in the fall months. When it flowers, it boasts small purple or yellow spikelets. Accent a native flower garden with a bunch of big bluestem, or plant it as a border for an open property line: This fast-growing grass is adaptable to a wide range of growing conditions. Plant your big bluestem in late winter or early spring.