When soils become compacted there is little room for air or water to be present. Core aeration removes several plugs per foot to allow air and water to enter the soil, resulting in a compaction-reducing swelling of the soil.
Aeration can benefit every lawn.
Lawns can be aerated anytime there is adequate moisture, but the best times to aerate are in the late spring and early fall. An Organic based fertilizer that will penetrate into these holes, resulting in a deep fertilization that will strongly encourage the lawns roots to go deeper for its food.