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Frequently Asked Lawn Aeration Questions

 

 

What is lawn aeration?

Aeration is the process of mechanically removing cores of turf to improve the flow of air, water and nutrients in dense, compacted soil.

 

Why should I aerate my lawn?

Aerating will allow your grass to grow healthier, greener and thicker. It will also help with drainage and allow air and water to reach the roots of your lawn.

 

What kind of aerator do you use?

I use a core aerator that extracts plugs of soil from your lawn.

The plugs can be up to 2-3/4 inches long, depending on how compact your soil is.

What is the best time of year to aerate my lawn?

Spring and fall are generally the best times of year to aerate your lawn.

These are the seasons when your lawn is actively growing and you can overseed immediately afterwards. Many people also aerate in July to prevent localized dry spots and improve irrigation.

 

How can aeration improve my lawn for the summer?

By aerating late spring you can encourage the roots to grow deeper, keeping your lawn green longer. Why is my new lawn soil compacted? Houses built in the last 20 years have heavier soil compaction because of bulldozers, backhoes and big lifts used in the construction process. Most newly-constructed properties have little or no soil preparation. In new construction, the lawn is graded (all soil scraped and taken away) then covered again with 1 or 2 inches of soil. If you live on a property like this, add compost annually and aerate your lawn twice a year, then rake fine compost into the aeration holes. Over time this will change your soil profile.

 

How does a compacted or clay based soil affect my lawn?

Because clay soil is a very fine particle with very small pore spaces, air and water cannot move well through soil, which encourages poor root growth.

 

Why should I aerate before seeding?

Aerating produces holes that act as a seed bed which helps to shelter the seed and encourages their germination.

 

Is it a good time to apply lime after aeration?

Yes, most limes are insoluble and this will help it to reach the soil and root zone more quickly.

 

What type of lime do you use?

I use a newer generation of enhanced lime that breaks down and adjusts the soil pH more quickly. An organic acid is added to limestone to make the lime readily available. This lime can do in months what would take two years for traditional lime to work.

 

Does lime kill moss?

No. However, lime adjusts the soil's pH so that moss has less favorable growing conditions. Should I aerate more than once a year?

On lawns with compacted soils or under renovation, it is beneficial to aerate twice yearly. With sandy soil, once a year aerating is recommended. Should I add sand after aeration No. If you have clay, sand and clay can turn your soil into a concrete substance. I suggest adding an organic material such as a native soil or fine compost.