Thrives in tall fescue lawns battling heat and drought. Heat Tolerant Blue spreads to repair your tall fescue lawn. Grows 33% thicker than ordinary tall fescue. Quickly recovers from periods of heat and drought. Get early seeding success with less water. Contains Scotts exclusive Water Smart coating. Absorbs more water and keeps seed moist 2 times longer than uncoated seed. 99% weed-free.