If your lawn is thin despite fertilizing, the problem is probably underground: compacted soil that seed, water, and air can't penetrate. Core aeration fixes the soil; overseeding exploits the opening. Together they're the highest-ROI service in lawn care.
What Aeration Actually Does
A hollow-tine aerator pulls finger-sized soil plugs across the whole lawn — thousands of them. Those holes relieve compaction, let oxygen reach roots, and give water a path deeper than the thatch layer. Roots respond by growing down instead of sideways, which is what makes turf drought-tough.
Why Seed Must Go Down The Same Day
Fresh holes are perfect germination pockets: seed-to-soil contact, moisture, and zero weed competition. Seed dropped weeks later sits on thatch and mostly feeds birds. Our crews seed immediately behind the aerator, then apply starter fertilizer.
- Week 1–2: water lightly twice daily; germination appears around day 10.
- Week 3–4: shift to deep watering; first mow when new grass hits 4 inches.
- Week 6+: cores dissolved, turf visibly thicker; resume normal schedule.
- Spring: the lawn greens up weeks earlier and crowds out crabgrass.
Timing Matters More Than Product
Early fall is the window for cool-season lawns: warm soil, cool air, and minimal weed pressure. Spring aeration works but fights crabgrass season. Book fall, water as directed, and judge results the following May — that's when the transformation shows.
