Cool Season Grass Regions GreenView Fairway Formula Grass Seed are cool season grass varieties intended for the northern two-thirds of the United States and portions of the transition zone. Cool Season grass regions will generally correspond with plant hardiness zones 1 through 8a on the USDA Plant Hardiness Zone Map. If you are unsure if you are in a cool season grass region, contact your local state extension agency and they will be able to recommend the best grass seed variety for your zone. Cool Season Grasses Following is a list of cool season grasses types: Kentucky Bluegrass Fescue (Creeping Red Fescue, Chewings Fescue, Sheeps Fescue, Hard Fescue, and Tall Fescue* ) Ryegrass (Perennial and Annual) * Tall Fescue is considered both a cool and warm season grass. Cool season grasses are typically found in the following states: DE CT IA IL IN KS KY MA MD ME MI MN MS NC NH NJ NY OH OR PA RI TN VA VT WA WI WV