New Sod Failing Over Compacted Soil: Fix the Prep, Not Just the Grass

Jimmy's landscaper laid sod over compacted construction soil with a thin topsoil layer. Now the sod is soft, black-spotted, and dying in low spots. Irrigation was cut back, but yellow patches remain.

Call the Landscaper Back

This is a workmanship issue. The contractor should:

• Check and adjust irrigation heads/timing.
• Apply fungicide if fungal disease is active.
• Verify soil prep—was it tilled? Aerated? Amended?

Aeration: Only If Soil Is Concrete

If sod was properly installed on loosened soil, aeration isn't needed. If the base is still rock-hard, aerate—but the landscaper should have done that before planting.

Dead Patches Won't Recover Without Treatment

If fungal, treat first, then reseed or replant. If soil prep was skipped, the new grass will fail too. Fix the foundation.

Bottom line: Don't patch symptoms. Make the installer correct the root cause: poor soil preparation and improper watering.