 It's something that you should expect your Bermuda to be in pretty good nutritional condition when you buy it, and it may not be something you have to put down. But for sure, by the time you mow it, it's the first time you want to put down a fertilizer product. And if you can get your hands on a 21-0-0 this time of summer, it's really a perfect and probably the most used commercial lawn care company fertilizer, 21-0-0.