Core Aeration Core aeration reduces compaction allowing your lawn to breathe and grow deep healthy roots. It also allows fertilizer to reach the roots. Core aeration is often done in the Spring and Fall. Overseeding is recommended after core aeration. Free Estimate Contact Us Your hydroseed and erosion control specialists. Share This Page:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pinterest (Opens in new window)Click to print (Opens in new window)