Sodded lawns should be aerated annually for the first six to eight years, according to NDSU. We offer lawn care solutions to help protect, support, nourish, and maintain your lawn. Click here to view our lawn fertilizer packages, and to schedule your get rid of fleas in yard services. If all of this sounds too complicated, give Pure Green a call! Our expert aerators can evaluate your lawn and give you peace of mind that your lawn is taken care of. You may begin to see new white roots growing in the aerated holes.