Aeration is a process of removing plugs of thatch and soil to promote and
sustain healthy root growth. By opening up spaces in the soil, the soil
gains air flow necessary to provide room for roots to develop and
maximize the use of water and fertilization.
It is recommended that aeration be done on an annual basis. The best
time of year to aerate your lawn is in early Fall. This is the time of
year when the thatch is thickest from mowing throughout the summer. It
also prepares your lawn for new growth in Spring.