Grubs in New Sidewalk Soil: Nature Will Clean It Up—Don’t Spray

New soil along sidewalk has 25+ grubs/sq ft; old lawn has none. Why? New soil is sterile—no nematodes, fungi, birds, wasps, snakes that eat grubs. Old soil has balanced predators.

Grubs will decline naturally. Birds will feast. Don’t use grub pellets—they’re “bird killers” (Silent Spring). Encourage birds, let biology work. Grubs are a symptom of dead soil, not the cause.