What is aerating?
Your lawn needs air to breathe. Aerating is a process that provides that air by punching 3 to 4 inch deep holes in your lawn and pulling out little plugs of soil. Aerating allows water and nutrients to reach the grass roots. Allow the plugs to decompose naturally back into the earth. Aeration should be done at least once every three years if necessary. However, in a thriving lawn with good soil, the earthworms will do the job for you!