Best Time To Seed My Lawn With TifTuf Bermuda?

Q: When is the best time over seed my lawn with TifTuf bermuda? 

A: You can’t overseed with TifTuf because it is a hybrid plant. It does not produce seeds. TifTuf bermudagrass was hybridized by University of Georgia researchers. It looks better and is faster growing than older varieties and uses 30% less water. It is propagated by planting small sprigs, letting them spread and knit together, and then harvesting the grass as sod pieces or rolls.