I assumed that's what it was, but I have little knowledge about lawns (embarrased to say). I'm trying to learn some basic stuff about stuff just like this so I know or can sound like I know what I'm talking about. Thanks.
The side yard is well shaded for almost all of the day. He tries to water it and it doesn't seem to do much. He also uses Trugreen.
Don't be embarrassed. You'll get caught up. I'll give you a little now. Three legs on a stool make it stand. Mowing, Irrigation, Fertilization. Keep it in balance or she topples. More later. Keep pluggin'.