Blue Grama - Most common prairie grass that requires less than 1/3 of the water that Kentucky Bluegrass needs. 
 
Growth: Can grow 3 - 4 inches tall.
Light: Full sun.
Soil: Thrives in nutrient-poor & water scarce soils.
Hardiness: Resistant to disease, drought, freezing/cold, & nutrient-poor soils. Low tolerance of humidity & shade.
Maintenance: Low maintenance.
Benefits: great for xeriscaping, stabilizing soil, & providing habitat for birds & butterflies. Requires less than 1/3 of the water that Kentucky Bluegrass needs.