RTF Turf Saver Turf Grass Seed always contains the best available varieties of turf type tall fescue. Now with the addition of the first RTF variety ever, Labarinth, Turf Saver with RTF sets a new standard for home lawns. Not only is the Turf Saver with RTF a blend of top performing varieties, now it has the ability to repair itself through the development of rhizomes. That is why Turf Saver with RTF is the only seed youll ever need!RTF(TM), abbreviation for Rhizomatous Tall Fescue, has many attributes including, rapid germination, early spring green-up, fine leafed, heat and pest tolerant, self repairing of bare spots (Rhizomes), and a deep root system. RTF withstands stressful weather conditions, uses less water than blue grass, and holds its rich green color even through through winter&aposs low temperatures. RTF turf grass is always dense and uniform.How Much RTF Seed Should I Order? If you are seeding a new lawn with the RTF seed we recommend that you use 6 to 8 lbs of seed per 1000 square feet. If you are doing an over-seeding of an existing lawn, we recommend that you use 3 to 4 lbs of seed per 1000 square feet. RTF Seed is sold by the bag in 1.5, 5, 10 , 25 & 50 lb bags.