Cool season grasses are best suited for cooler climates and thrive between the temperatures of 60-75⁰F. The most commonly used cool season grasses are: Bluegrass, Ryegrass, and Fescue.
Germination Period: 14-28 days. Dark green color. Fine thick characteristics. Requires good drainage and acid soil. Grows in sun within cool climates. Good for play areas, quick cover, sloped, and terraces. Excellent for general utility. Kentucky bluegrass is the most widely used turfgrass in the Midwest US. It is used on athletic fields, home lawns, golf course fairways, parks, cemeteries.
Annual bluegrass is considered a weed although it is cultured as a desirable plant in pure stands. It is only found where irrigation is available and thus it is usually limited to highly managed turf.