How Often Should I Aerate Lawn? (Best Time to Aerate )

The aeration is a time-consuming lawn maintenance process that involves puncturing small holes in the ground to break up compacted soil and give roots easy access to water, oxygen, and nutrients. It’s one of the important lawn care procedures that lawn owners should carry out or plan for in the grass maintenance routine. But when should you aerate your lawn? How often should you aerate the lawn?

Aeration should be done once or twice for plug aeration while twice or thrice yearly for spike aeration on highly compacted soils with thatch buildups to maintain a healthy lawn. Aerate warm-season grass in late spring while cold-season grass onset of spring and fall, but it takes 2-3 years to realize its effects.

When should you aerate your lawn?

To benefit from aeration, always carry the procedure during high-growing seasons. Aerating at the start of the peak seasons ensures the holes left behind are filled with grass quickly. You should aerate your warm-season grass lawn in late spring or very early summer. On the other hand, for cold-season grass, ensure you aerate it at the beginning of spring or early fall.

When should you aerate your lawn?

Compacted soil deprives grass lawns of oxygen, water, and nutrients. In addition, the grass struggles more in stressful conditions like low rainfall and heat and tends to lose its healthy, rich color. Ensure you check the weather conditions to reduce these constraints. Successful aeration should open up a way for grassroots to get these essential elements.

Depending on the lawn size, you can aerate by hand or machine. But how should you aerate?

Here are a few steps to aerate your lawn:

  1. If it has not rained for some time, water the lawn (irrigate about 1 inch) to soften the ground.
  2. To avoid accidental run over, map/mark the septic line, water, sprinkler system, power, or any other utility you may have on your lawn.
  3. Get your aerator and go through the lawn in one direction. Go through the whole ground, but if it’s the first time to aerate, you can go through the second time in a perpendicular direction to the first time.
  4. Aeration removes small plugs, and let them break down to add the nutrients back to the lawn.
  5. Water the lawn well once finished aerating. You can now reseed the bare spots with desired grass seeds. Water generously for the next couple of weeks for every 2-4 days. Consider fertilizing and other simple lawn repair procedures.

Combining these practices helps put the lawn on fast track with quick seed establishment for thick-lusher lawn.

When to aerate the lawn?

The best time to aerate and dethatch your lawn is when the grass is actively growing just before the peak period. Aeration is an essential care and maintenance procedure beneficial to grow grass thicker and greener. Proper and accurate timing for aeration is key to a healthy-lush, lawn. You should never aerate dormant grass; it can stress the grass.

When to aerate the lawn?

But how do you determine if you should be aerating your lawn? Here are a few signs to look for:

  • When your lawn is not growing as it should, even when feed and weeds controls are done, it may result from thatch buildup or compacted soil. You can test your soil with a screwdriver; if you cant easily insert a screwdriver into the soil, consider aerating.
  • If your lawn feels spongy after watering and difficult to stick your finger through to the soil, you are a candidate for dethatching or aerating the lawn.
  • If you have pets, kids, or people playing on the lawn or maybe a car or small equipment passing through the lawn, you may have compacted soil even if it doesn’t look so.
  • If the rains puddle or make the lawn soggy where it used to get through the soil, or it feels hard to touch with stress-looking grass, your lawn may be compacted.
  • If you live in a region with clay soil, you need to aerate yearly to keep a thick green strong, and healthy lawn. Aeration improves clay soil for you lawn.

Note: Your soil is well aerated if you have sandy or loam soil. Thus, you should aerate once in 2-3 years.

  • Did you establish lawn through sods? If so, you need to aerate the lawn to remove the soil layering that may affect water drainage from the finer textures of the soil. Such layering hinders root development; thus, aerating help breaks this layer and allows water and nutrients to flow through the soil easily to the grassroots.

See Also: Spike Vs. Plug Aerator; Which is Better?

How often should I aerate my lawn?

The general rule is to aerate your lawn once or twice yearly for plug aeration while twice or thrice yearly for spike aeration. It will take approximately three years to realize the full effect of either method.

Aerate your lawn during or before your grass reaches its peak growth. Warm-season grasses like Centipede grass and Bermuda grass should be aerated in the late spring or early summer (April to July) when they are actively growing. Cool-season grasses like fescue and ryegrass should be aerated in early fall or early spring.

How often should I aerate my lawn?

However, this may be the exception, depending on the condition of your lawn.

Note: Aerate your lawn more frequently if it meets the following conditions: 

  • When the soil is compact, it does not drains water properly after rain or irrigation. Perform a screwdriver test on your lawn to confirm if it’s compacted. Stick a screwdriver in your lawn. If it resists and does not move easily, the soil is compacted, and you should aerate it.
  • If there has been construction in the area.
  • If it’s an area with heavy traffic from children, pets, and vehicles.
  • When the grass becomes dry, thin, discolored, and diseased. 
  • If the grass is spongy, indicating dense thatch build-up.
  • If there’s been a recent sod installation and there is soil layering.

The soil type will also determine the frequency of aeration. Sandy soils can go for several years without aeration, while clay soil will require more frequent aeration. If you are doing spike aeration, aerate up to thrice a year.

Read More: How to Overseed a Lawn Without Aerating

Factors that determine how often to aerate your lawn?

The no of times to aeratedepends on the soil type , the traffic on your lawn and if its the first or repetitive aeration.

Reference

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