08/03/2026
Aerating your lawn depends a lot on your grass type and local climate, but here’s a thorough guide:
1. Identify Your Grass Type
Cool-season grasses (like Kentucky bluegrass, fescue, ryegrass) → grow best in spring and fall.
Warm-season grasses (like Bermuda, St. Augustine, Zoysia) → grow best in late spring through summer.
2. Best Timing
Cool-season grasses:
Early fall is ideal because the soil is still warm (roots can grow quickly) and top growth slows down.
Spring is also okay, but fall is usually better for recovery and long-term health.
Warm-season grasses:
Late spring to early summer when the grass is actively growing is best. This ensures rapid recovery.
3. Other Factors to Consider
Soil compaction: If your soil is heavily compacted (lots of foot traffic, clay soil), aerate more often, maybe once a year or even twice.
Thatch: If thatch layer is more than 0.5 inches, aerating helps water, nutrients, and air reach roots.
Moisture: Aerate when the soil is slightly damp—not muddy or bone-dry—to make core removal easier.
Tip: Avoid aerating when grass is stressed (very hot or dry) because it can shock the lawn.