Aeration and Overseeding

Clay soil compacts in a way that lighter, sandier soil does not, and a compacted lawn can be on a perfectly reasonable watering schedule and still look thin, because the water is not reaching the roots that need it. Core aeration pulls small plugs of soil out of the lawn, opening channels for water, air and roots to actually get where they're going instead of running off the surface or stalling a few inches down. It's less optional here than in a climate with looser ground.

Overseeding pairs naturally with aeration because new seed needs contact with soil, not a mat of old grass, to germinate — the holes aeration leaves behind are exactly where seed takes hold best. Fall is the window that matters most for both: cooler temperatures, less weed competition, and a full season for new grass to root before summer stress arrives, which is the reverse of the spring-seeding assumption most homeowners start with.

What this usually involves

• Core aeration to relieve clay compaction, not a spike-and-pass gimmick
• Timed for fall when it counts most, though spring aeration has its place
• Overseeding paired with aeration for real seed-to-soil contact
• Aimed at lawns that are watered enough but still look thin

Get Your Lawn Looked At