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The Home Depot

What are the Benefits of Lawn Aeration?

Pro Referral > Home Guides > Landscaping > What are the Benefits of Lawn Aeration?
What are the Benefits of Lawn Aeration?

If you are among those who do not have a lush green lawn despite trying everything in the book, aeration may be the right solution for you. Aeration refers to “the natural process where air is exchanged between the soil and its surrounding atmosphere.” This is facilitated by removing small plugs of thatch from the lawn which will help the better movement of air, water and other nutrients. Aeration is essential in lawns that have had the natural soil disturbed.


Lawns that experience a lot of wear and tear are also suitable candidates for aeration. Home lawns tend to fall victims to thatch accumulation and only aeration can help keep this at bay. State agricultural manuals provide detailed guidelines on the how, when and what of lawn aeration basics in those regions. They contain descriptions on the equipment used in the process as well as tips that can make the task simpler.


The benefits of lawn aeration are many and it is recommended that the process be repeated once a year. Some lawns situated in regions with a lot of clay can use more than one annual aeration. Aeration can help improve the health of the lawn and significantly decrease the need for maintenance.

  1. 1.Helps Lawn Breathe

    Aerating helps your lawn gain access to increased oxygen as well as organic fertilizers and other nutrients. Oxygen is essential for the grass to grow and survive even in extreme conditions. When an aerated lawn is watered, it is easier for the water to reach the roots. All these help the roots to thrive and thus ensure better health of the lawn as the turf grows thick and softens the soil.

  2. Oxygen is essential for the grass to grow and survive even in extreme conditions.
  3. 2.Reduces Water Wastage

    A lawn that has been aerated will require only half the amount of water than one which has not been aerated. Aeration also helps prevent the excess water from running off and forming puddles.

  4. 3.Clearing Thatch Build-Up

    Core aeration is useful in clearing dense thatch facilitating for the proper movement of air and water. Thatch is the stuff that is found just below the soil and the grass. The thatch breakdown process which occurs naturally can last for a couple of weeks. A thick thatch is a breeding ground for disease and unwanted insects. Compacted soil, heavy clay soil, and sub soils disturbed during building activity are good candidates for thatch build-up.

  5. 4.Reduced Soil Compaction

    Soil compaction occurs when pressure causes the soil to cake together without any pores, thus diminishing its ability to eliminate water and hold air. Though it is useful in many processes, it is not beneficial to the growth and maintenance of a healthy lawn. Sprinklers and rains are the main culprits that lead to compaction or the soil layer turning dense. Aeration helps to reduce soil compaction and facilitates the reach of water to the roots.

  6. 5.Improved Health

    Aeration assures an improved well-being of the lawn. During the process unwanted weeds are removed. The occurrence of brown spots has also been found to have significantly decreased in lawns that are aerated regularly. Also, remember to always aerate before any kind of herbicide is sprayed on the lawn. Aeration after spraying the herbicide or pesticide can create a chemical barrier reducing the effect of the process.

The difference is almost immediately noticeable in the lawn. The ideal seasons for aeration are spring, late summer, or fall. A single aeration may not seem to throw up all the benefits at once. But repeated aeration treatments are likely to bring about a major difference in your lawn. Irrespective of the method and equipment used, the benefits of aerating cannot be underplayed.


If you're interested in getting your lawn aeration done by a professional, see our article on The Price of Lawn Aeration to get an idea of the typical costs associated with this job.

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