If you've got gaps in your lawn where you just can't get grass to grow, it could be your soil or it could be the seed you're using. Amend your soil and change your seed, and your bare spots will fill in.
DIY: All-natural products for a great lawn
Put us to work: Organic lawn fertilization
Our Good Sweet Earth organic lawn fertilization program is designed to give you healthy soil, and ultimately healthy and beautiful turf.
The basic treatment we offer is Worm Tea (a compost tea made from vermicompost), applied monthly, from May through October.
An optional add-on, our Alfalfa Blend Lawn Fertilizer, can be applied once or twice a season (May/September), and loads your soil up with organic matter and nutrients. Click to learn more.
Read more: How to fill in those bare spots