Little Bluestem Grass, Prairie Blues #2'Prairie Blues' Little Bluestem Grass Schizachyrium scoparium 'Prairie Blues' A decorative grass with erect, slender leaves that are consistently grey blue and turn rose orange in the fall, little bluestem is a grass. Late summer sees stems covered in tiny purple brown blooms that rise high above the foliage, which are followed by fluffy silver seed heads that last all the way into the winter. grows well in soils with good drainage and full sunlight.