Reveille (TX/KY hybrid) is the most drought tolerant bluegrass period.  It looks and feel just like Kentucky Bluegrass it out performs it in all areas.   Rich blue-green color makes this premium turf in the U.S.

Applications:  Reveille is used for both residential and commercial lawns. Also can be used for athletic fields and parks with high wear areas.
Color: Medium to dark blue-green
Texture: Medium-fine blades, with high grass plant density and excellent leaf uniformity; superior weed resistance
Mowing Height: As low as 0.5" in direct sun; 2.5 inches in shade
Frequency: Once every 10-14 days.
Watering: Newly planted turf should be watered daily and soaked thoroughly to a depth of 3 inches for the first 10 to 14 days to avoid dry out. Thereafter as needed to prevent visual wilt (blue-gray hue) 
N Fertilization: 0.4 to 0.8 pounds of actual nitrogen per 1,000 sq. ft. per growing month when combined with recommended phosphorous and potassium. Do not fertilize during in hot dry months (July-August).

Soils:  Performs best in moist, well drained, fertile, medium-textured soils.
pH Tolerance: 5.5 to 8.8, with 6.0 to 7.0 preferred
Wear Tolerance: Vigorous rhizome development for excellent recuperative ability
Shade Tolerance: Performs well in shade.

Heat Tolerance:  Very good heat tolerance.  
Cold Tolerance: Withstands temperatures of zero or below.