If you haven't yet seen the recently released varieties of Blackout grass ... Blackout's Elite Kentucky Bluegrass/Ryegrass combination or the Elite Kentucky Bluegrass/Turf Type Tall Fescue mix.
Check the purity of your fescue seed. • Consider a mix of 25% to 30% cool-season grasses. These include orchard grass, Kentucky bluegrass, perennial ryegrass, reed canary grass, smooth ...