Teske Tuff Turf Grass Seed Mix Is For Difficult Areas Or Spots That Take A Lot Of Wear. Use this Turf Type Tall Fescue Mix on steep banks in sunny areas or in the back yard where children and dogs play. Tuff Turf is a more coarse grass than bluegrass and not as pretty so most people don't want to use it in the front yard. But, it holds up well in drought. It wears well with heavy play or dog traffic. One of our top sellers. Better looking than K-51. Do not overseed your bluegrass front yard with this. 9 lbs. per 1,000 sq. ft. 1 lb. covers a 10' x 11' area (110 Sq. Ft.). Crossfire II Tall Fescie 26.66%, Cayenne Tall Fescue 26.62%; Dynasty Tall Fescue 25.96%; Bronco Kentucky Bluegrass 9.89%; Cutter II Perennial Ryegrass 9.83%; .55% Crop Seed; .55% Inert Matter; .14% Weed Seed; No Noxious Weed.