A new cultivar of Schizachyrium scoparium, `MinnblueA`, that is characterized by its tall, narrow, upright form that does not lodge and its unique foliage color that is blue with highlights of burgundy in summer changing to a bright mixture of colors in fall including tones of purple, blue, red, pink, burgundy, and orange. `MinnblueA` is further characterized by its ability to grow in a wide range of soil types including heavy clay, dry, and alkaline soils.