If your pop up sprinklers are sticking, there are a few things you can do to try and fix the issue. First, make sure that the area around the sprinklers is clear of any debris or obstructions. Second, check to see if thepop up sprinklers are properly aligned and seated in their base. Third, clean the inside and outside of the pop up sprinkler heads to remove any dirt or buildup that may be causing them to stick. Finally, if all else fails, you may need to replace the pop up sprinkler heads altogether.