Step 4: Aerate. Using your aerator attachment or device, go over the lawn in two to three different directions. “The more holes the better,” says Elworthy.

If you’re interested in learning how to aerate a lawn, read our step-by-step guide. Get expert advice on improvements to your home, including design tips, how much you'd expect to pay for a pro ...

Avoid aerating while your lawn is weakened or struggling, or you could make things worse. Today's best Draper Lawn Aerator with Hollow Tines deals. 318 Amazon customer reviews ...

Aerating the lawn can be a DIY task or you can hire a professional. Costs, time, lawn size, equipment, and know-how are factors that play a role in deciding what is best for your home and budget.

Aeration, on the other hand, creates space for lawns to breathe. Just like any other living thing, the grass on a lawn needs to take in air and have space to expel waste products.

However, you should aerate the lawn once every year or two, or if the grass isn’t receiving the resources it needs. Prices listed reflect time and date of publication and are subject to change.

Why should you aerate your lawn in the fall? "Fall aeration is ideal for cool-season grasses because it allows the grass to recover and strengthen before winter," says Koch.