 It's going to die out when they germinate, doesn't harm your turf grass or anything like that. It's just remarkable how that works. And so if you wait too long, the seeds will germinate on you, and these products are not effective. So they basically are only effective on germinating weed seed, not on living weed plants. And so if you wait too long, past Labor Day, then you basically got the headache of trying to deal with those weeds later on.