Grow a lawn that can withstand tough conditions with Scotts Grass Seed Drought Tolerant Mix. This mix of Tall Fescue and Kentucky Bluegrass grows long roots to access water deep in the soil, and also self repairs to fill in bare spots. Use this grass seed mix to seed a new lawn or overseed an existing lawn. For best results, apply this lawn care product when air temperatures are between 65 Deg F and 85 Deg F.