Turf Talk: All about Aeration

When to Schedule It

Atlanta lawns face a common challenge beneath the surface: compacted soil. Whether your property has Bermudagrass, Zoysiagrass, or tall fescue, soil compaction can limit the movement of water, oxygen, and nutrients into the root zone. Core aeration is a proven turf management practice that relieves compaction by removing small plugs of soil, creating channels that improve soil-air exchange and water infiltration.

What Is Core Aeration?

Core aeration is the process of mechanically removing cylindrical plugs of soil from a lawn. Unlike spike aeration, which pushes soil aside, core aeration physically removes soil, reducing compaction without further compressing the surrounding ground. Research and university extension guidance consistently identify core aeration as the preferred method for relieving soil compaction in turfgrass.

For best results, professional aerators typically remove cores approximately 2–3 inches deep with holes spaced about 2–4 inches apart. Multiple passes may be recommended on severely compacted soils to increase the effectiveness of the treatment.

Why Atlanta Lawns Benefit from Aeration

Many lawns throughout metro Atlanta are established on clay-rich soils. Clay particles are small and densely packed, making them more susceptible to compaction from:

• Foot traffic
• Lawn equipment
• Construction activity
• Vehicle traffic
• Repeated traffic when soils are wet

Compacted soil reduces pore space, limiting the movement of air, water, and nutrients to turfgrass roots. Over time, this can reduce root growth and slow recovery from heat and drought stress. Core aeration helps restore soil structure by increasing pore space and improving water infiltration into the root zone.

Signs Your Lawn May Need Aeration

Your lawn may benefit from core aeration if you notice:

• Water pooling or running off instead of soaking into the soil
• Hard soil that is difficult to penetrate with a screwdriver or soil probe
• Areas with heavy foot traffic
• Thin turf despite regular watering and fertilization
• Excessive thatch accumulation

These conditions are commonly associated with compacted soil and restricted root development, although similar symptoms can also result from issues such as poor fertility, shade, insect damage, or disease. A lawn evaluation can help determine whether aeration is appropriate.

When Should You Aerate in Atlanta?

The ideal time depends on the grass species.

Bermudagrass and Zoysiagrass

Warm-season grasses should be aerated during active growth, generally from late spring through midsummer. Aerating while the grass is actively growing allows the turf to recover more quickly, and the extended growing season provides flexibility for scheduling.

Tall Fescue

Tall fescue is a cool-season grass and is best aerated in early fall. Fall aeration is commonly paired with overseeding because the aeration holes improve seed-to-soil contact, helping support successful seed establishment.

What Happens After Aeration?

Following aeration:

• Soil plugs are typically left on the lawn to naturally break down.
• The openings allow water, fertilizer, and oxygen to move more easily into the root zone.
• Overseeding cool-season lawns can be performed immediately afterward.
• Compost topdressing is an optional practice that can introduce organic matter into the aeration holes and gradually improve soil structure.

How Often Should a Lawn Be Aerated?

The frequency depends on soil conditions and traffic.

Annual core aeration is commonly recommended for lawns with clay soils or moderate to heavy use. Lawns experiencing severe compaction from pets, recreation, or construction activity may benefit from more frequent evaluation to determine whether additional aeration is warranted.

Professional Turf Aeration from GGM Landscape Design & Grounds Management

At GGM Landscape Design & Grounds Management, we provide professional core aeration services for residential properties throughout the Atlanta area. Our process is designed to relieve soil compaction while supporting healthy root development and improved water infiltration into the root zone.

If you're unsure whether your lawn would benefit from aeration, our team can evaluate your turf conditions and recommend the appropriate timing based on your grass type, soil conditions, and site use.

Contact GGM Landscape Design & Grounds Management to schedule core aeration and help keep your Atlanta lawn healthy and performing at its best throughout the growing season.