Can You Pull an Aerator With a Zero Turn Mower. Lawn mower with aerator

The Difference in Using a Commercial Grass Aerator

If your goal is to grow the healthiest grass or turf, then you need to aerate it. Aerating is the process of putting holes in your soil to facilitate grass growth by bringing both oxygen and nutrients into the soil. The aerator you use to do this essential job can make all of the difference.

At TurfTime Equipment, we build a wide range of heavy-duty grounds maintenance equipment, ranging from aerators to lawn rollers and verticutters. Our equipment is used by both professional groundskeepers and dedicated homeowners who want to craft impeccable lawns. Keep reading to see what sets a commercial grass aerator apart from the rest!

Three Main Types of Lawn Aerators

There’s no question that if you aerate properly, your grass will be look more lush and be more resilient. However, in order to reap the full benefits of aerating your grass, you need to have a sufficient piece of equipment. Check out the main types of aerators and see what you can expect from each:

Manual Lawn Aerator

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The most basic type of lawn aerator, a manual option works in much the same way as a push lawn mower. As you push the aerator along the ground, the spikes will press into the ground and aerate. While these can be found for less than 50, there are serious concerns about the effectiveness of the product. Not only is it challenging to cover a large area, but it can be hard to even make an impact on the ground. When an organization is looking to invest in a commercial grass aerator, they rarely consider this type, however, some homeowners will. If you’re looking for real results, we don’t recommend this type of lawn aerator.

❌ Almost impossible to cover a large area

❌ Physically hard to operate

❌ Rarely penetrates ground effectively

Powered Push Aerator

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The next tier of grass aerator, a push behind aerator is very comparable to a standard powered lawn mower. The price is also similar in the few-hundred-dollar range. While it is far more effective than a manual lawn aerator, a powered push aerator won’t deliver professional performance. Firstly, the tines are often shorter than what you’d find on a real commercial aerator, which limits how effective the aeration is. On top of that, these products are simply too small to be able to work quickly or efficiently. An average size push aerator is 15” – our smallest commercial aerator is more than three times that size!

❌ Challenging to cover a large area

❌ Short tines are not effective

Tow Behind Aerator

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This is the gold standard for commercial grass aerators. Every professional groundskeeper knows this is the only type of aerator to consider. The deep tines are proven to be effective at rejuvenating the grass – plus, the huge size and tow behind nature of this mower means even larger spaces like football fields can be done quickly. Plus, TurfTime aerators are extremely durable and come with a range of custom touches to make your work easier!

️ Huge impact on the health and look of the grass

️ Can cover huge areas quickly

️ Far more custom options

❌ Larger upfront investment

What Sets Our Line of Aerators Apart

There’s no question that commercial tow behind aerators are the best type of aerators to make a difference for your grass – and TurfTime’s options stand above the rest. We build our machines with multiple styles of extra-long tines to ensure that extra slice is effective. On top of that, the base of our aerators goes all the way up to 10 feet, ensuring that even huge areas like golf courses can use our equipment. Finally, all of our machines are built tough with welded frames to ensure they outlast the competition.

Get on Our Grass Aerators, Types of Lawn Aerators

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If you want to make a real difference for your grass, an aerator is a must-buy. If you’re ready to bring one of our commercial grass aerators to your grounds or estate, our team is standing by to help. The first step is reaching out to discuss the model that fits your property and budget – and then getting a price.

Can You Pull an Aerator With a Zero Turn Mower?

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When planting season arrives in early spring or early fall, it’s the best time to aerate the lawn and get some oxygen mixed into the topsoil. If you have a zero turn mower and you’re wondering if you can attach your lawn aerator to it, you can rest assured knowing that it will do the job.

The numerous residential and commercial models will vary, but most come with a hitch or bracket that allows attachments to be connected. These are meant to be your main mower, and the manufacturers want them to be as adaptable as garden tractors and other riding mowers.

Why Should I Aerate?

Core or plug aerators have hollow tines, or spikes, that penetrate the ground and pull out cores, or plugs, of soil to loosen up the ground, which primarily prevents compaction. Compacted soil is difficult for grass to grow in since roots have a harder time establishing themselves. A well-aerated lawn supports good growth in several ways:

  • Improving water penetration
  • Increasing oxygen content
  • Stimulating root growth

Core aeration does all of this with minimal disruption to the existing lawn, which is why it may be a preferable option over tilling. When you till the lawn, it tears up the topsoil and any existing plants and roots growing in it, which is great when you want a fresh start to the yard. Aeration, on the other hand, leaves the lawn system intact while reaching down, usually between 1.5 and 3 inches, into the root zone of the topsoil.

Opening up the ground to air and moisture is also a great time to add amendments to the soil. Adding compost and topsoil will help build the soil quantity, and fertilizers, sand, clay, or pH adjusting materials will add qualities to your soil profile that match the needs of your grass.

How Does A Core Aerator Attach To A Zero Turn Mower?

A core aerator that you pull behind a tractor or mower is usually a manual attachment of a ball hitch, a pin hitch, or a bracket. Based on an assessment of your model of mower and plug aerator, the attachment’s manual should provide directions on how to hook it up.

Adding Weight To Your Pull Aerator

While some electric aerator attachments have a power pressurizing mechanism, manual pull aerators need to be weighed down to give it the extra pressure to dig into the ground. It’s best to aerate on moist soil so that the tines can enter the soil more easily.

Some pull aerators come with a flat top with edging that will keep your weights on the unit. Cinderblocks, pavers, and sand bags are all options to add weight to the aerator. Certain models come with attachments that can be weight adjusted for the hardness of the ground. Sometimes 100 lbs or more is needed to work the tines to the soil.

Using An Aerator With Your Zero Turn Mower

Pull aerators have a manual lever to lift and lower the tine axel, which should only be done over soil, never over concrete. If you lower them over the sidewalk, street, or driveway, it can damage both the tines and the hardtop ground.

Using a zero turn mower with your aerator gives certain advantages, especially in maneuverability. While it’s still easiest to do long passes with wide turns to not overlap areas too much, a zero turn mower will help you make tighter turns to get around trees and through oddly shaped sections of your yard. A zero turn mower also tends to pick up speed a bit faster, which can help large yards get covered in a little less time.

What Should I Do With Soil Plugs?

A core aerator will leave behind cylindrical plugs, or cores, taken from the ground. Some people like to leave these in place so that the topsoil doesn’t lose quantity and depth, but others may prefer to clean them up. If you do remove them, keep them! They are valuable to your lawn and can be re-added later on after you break them up.

Using a dethatcher can break up the plugs where they land without waiting for rain to break them down and re-incorporate them into the ground.

Matt Hagens

My name is Matt, and I am the founder of Obsessed Lawn. I am very passionate about my lawn. keeping it looking beautiful but also safe for my family, friends, and our dog Liberty. I hope you find my website helpful in your quest for a great-looking lawn!

Core Aeration vs. Spike Aeration

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If your grass isn’t looking its best, it may need a breath of fresh air. Aerating your lawn is a natural way to solve soil compaction problems, improve drainage, and get your grass thick and healthy for peak growing.

Aeration is like an exfoliating facial for your lawn, loosening surface soil to give tender grass roots the nutrients they need. Core aeration and spike aeration are two major methods to give your lawn a spa day. We’ll walk you through the pros and cons of core versus spike aeration to help you determine which method matches your budget and yard needs.

  • What is aeration?
  • What is core aeration?
  • 3 types of core aerators
  • 1. Manual core aerators
  • 2. Gas-powered core aerators
  • 3. Tow-behind core aerators
  • 4 types of spike aerators
  • 1. Pitchforks
  • 2. Spiked aeration shoes
  • 3. Rolling push aerators
  • 4. Tow-behind spike aerators
  • Core aeration
  • Spike aeration
  • Testing your lawn for compaction
  • Signs your lawn needs aeration
  • When to aerate
  • How else can I get my lawn to look its best?

What is aeration?

Aeration, also known as aerification, is the process of perforating (poking small holes in) your lawn to alleviate soil compaction, prevent excessive thatch buildup, and increase the flow of oxygen, water, and nutrients to the root zone.

Kids at play, construction projects, and severe weather can compact your soil, leaving roots without a place to grow. Aeration is an easy way to loosen the soil and give your grass space to spread out again.

Core aeration and spike aeration are the major two methods of lawn aeration for homeowners and lawn care professionals. Your lawn type, level of soil compaction in your lawn, and your budget will determine which aeration option is best for you.

When lawn experts talk about aeration, they’re usually referring to core aeration (also known as plug aeration). Core aeration is the preferred method for long-lasting lawn health.

However, spike aeration may be the way to go if your lawn is mildly compacted and you’d like an inexpensive DIY fix to spur grass growth.

What is core aeration?

A core aerator is basically a big hole punch for your yard. When you aerate, though, you aren’t preparing homework assignments. You’re giving roots space to breathe and access to essential water, oxygen, and nutrients.

Core aeration is done by poking hollow tines into the ground and extracting small plugs of soil. It’s the method of choice for lawn pros because it effectively loosens soil, giving root systems access to nutrients and keeping soil more nutrient-rich in the long term.

Core aeration will leave your yard freckled with little holes, but they’ll fill in with denser, healthier grass. According to the Virginia Tech Extension, “Core aeration is very disruptive to surface smoothness, but it is the best way to relieve the physical limitations of soil compaction and improve soil oxygen levels.”

Manual core aerators

If you have a small yard and a free afternoon, a manual core aerator is an inexpensive option. It’s also a great choice for spot aeration if you have a few compacted problem areas.

  • You’ll push the manual core aerator into the ground, using your foot as an additional weight, and cores will come out of the top of the tines.

Manual core aerators are best for: Small lawns with mild to moderate soil compaction, or highly compacted areas in need of spot aeration.

Price: 30 to 125, depending on the quality and number of tines.

Rental cost: Most manual aerators are only available to buy.

Gas-powered core aerators

Most homeowners opt for a gas-powered, push-behind core aerator, which looks similar to a lawn mower. You’ll want to go over your lawn at least twice with the aerator, “mowing” once in one direction, then the second time perpendicularly.

  • For every square foot, create about 20-40 holes (2 to 3 inches apart).
  • When you’re done, your lawn will look like a checkerboard.

Gas-powered, push-behind core aerators are best for: Medium to large lawns with moderate to high soil compaction.

Price: 2,000 to over 5,000.

Rental cost: Approximately 65 for four hours or 100 for a full day.

Tow-behind core aerators

If you have a lawn tractor and want an easy solution to core aeration, you can invest in a tow-behind (also known as pull-behind) plug aerator. They’re pricey, but they’ll save you time and energy.

Tow-behind plug aerators are best for: Larger lawns with a moderate to severe compaction problem.

Price: range from 100 to 300 (though you could pay thousands for an industrial-grade model). For a high-quality tow-behind option, expect to pay more than 200.

Rental cost: Approximately 35 for four hours or 50 for a full day.

How core aeration works

Manual core aerators and aeration machines have hollow tines that perforate the ground 2 to 4 inches deep. The holes are 2 to 3 inches apart from each other. Because tines are hollow, cores of soil pop out from the top of the tine and fall onto the lawn.

  • Cores are long but thin: They’re only 0.5 to 0.75 inches in diameter, so coring won’t destroy your yard. It will just give your roots better access to oxygen.
  • Cores are left on the lawn as natural top dressing: They help decompose thatch.

Make sure that your lawn is moist but not wet when you aerate. The soil shouldn’t be so muddy that it sticks to the tines.

What type of lawn should be core aerated?

Core aeration is ideal for lawns that:

  • Are heavily compacted
  • Experience high foot traffic
  • Haven’t been aerated in multiple years
  • Recently underwent construction
  • Have heavy clay soil
  • Are medium or large
  • Have a severe thatch problem

What is spike aeration?

Spike aeration is basically core aeration minus the hollow cores. If core aeration is like using a hole puncher on paper, then spike aeration is like poking through the paper with the tips of scissors. When you spike aerate, no soil is removed. Instead, soil is squeezed to all sides of the solid tine.

Spike aeration loosens soil and alleviates compaction in the short term, but it increases compaction in the long run.


Pitchforks aren’t an efficient option for a larger lawn, but they’re excellent for smaller areas (less than 1,000 square feet) or for spots that get heavy foot traffic and need extra care.

  • It’s easy to aerate with a pitchfork: Insert tines into the ground 3-4 inches deep and tilt forward and backward to loosen the soil.

Pitchforks are best for: Postage-stamp-sized lawns with mild soil compaction or specific areas that need special attention.

Price: 35 to 60 (but you probably already have one in your garage).

Rental cost: Pitchforks are only available for purchase.

Spiked aeration shoes

Spiked lawn aeration shoes are the least expensive spike aeration option. You can use them in small areas, but for larger areas, aerating with spiked shoes is a time-consuming, tiring task. Using spiked shoes is not a highly effective form of aerating, and many lawn pros warn against it.

Spiked aerator shoes are best for: Very small areas with mild compaction.

Price: 10 to 20.

Rental cost: Spiked shoes are only available for purchase.

Rolling push aerators

Rolling push aerators look like large spiny paint rollers. They work well for small, mildly compacted areas. If your lawn is on the moderate or larger side or if your soil is rocky or highly compacted, a rolling spike aerator is not the best option: It takes a lot of muscle to use and the aerator may get damaged.

  • A rolling push spike aerator works like a manual mower. You’ll want to go over your lawn at least twice, once in one direction, and the next time perpendicular to that direction.
  • To maximize tine penetration, choose a model with a steel tray for additional weight.

Rolling push aerators are best for: Smaller lawns with mild soil compaction.

Price: 40 to 65.

Rental cost: Approximately 13 per day.

Tow-behind spike aerators

Tow-behind spike aerators are on the expensive side, but they save time and labor and are excellent for larger lawns and fields. Make sure to purchase one with a weight tray to maximize contact with the soil.

  • Tow-behind spike aerators are similar to tow-behind core aerators, but instead of corers, they feature 10-12 star-shaped blades that pierce the soil.

Tow-behind spike aerators are best for: Larger lawns with mild to moderate compaction.

Price of a tow-behind spike aerator: 100-175. vary, but expect to pay 135 or more for a high-quality model.

Rental cost: Most tow-behind spike aerators are only available to buy.

How spike aeration works

Spike aeration works just like core aeration, except that spiked tines are solid, so you won’t have any plugs dotting your lawn.

Holes should be approximately 2 inches apart from each other. Spike aerators tend to pierce the soil 1-2.5 inches deep. The spike marks in your lawn will be less deep than the perforations created by core aeration.

What type of lawn should be spike aerated?

Spike aeration works well for lawns that:

  • Have mild to moderate compaction
  • Are small to medium in size
  • Don’t have many rocks, stones, or debris in the soil that could interfere with spikes
  • Have a mild thatch problem (a thatch layer of just over half an inch)
  • Don’t have a high clay content

Pros and cons of core and spike aeration

Core aeration

Pros of core aeration:

✓ Long-term fix: Hollow tines loosen and remove soil so air holes open up, roots can grow deeper, and grass grows more densely✓ Eco-friendly: Reduced compaction leads to less runoff and pollution and decreases the need for water and fertilizer✓ Increases the visual appeal of your lawn in the long term✓ Cores act as compost, so you can simultaneously aerate and top dress your lawn✓ Decreases the need to dethatch your lawn✓ Dense grass growth prevents weed from invading your lawn✓ Good for medium to large lawns with heavy compaction and heavy foot traffic

Cons of core aeration:

✗ Can stress your lawn if you aerate in the wrong season or too often✗ Before holes fill in, they can be visually unattractive✗ Plugs left on your lawn can look messy and unappealing (before they decompose)✗ Weeds can sprout in holes if pre-emergent herbicide is not applied

Spike aeration

Pros of spike aeration:

✓ Quick fix: Solid spikes shift the soil and provide temporary air holes, but soil compacts at spike entry points ✓ Generally less expensive than core aeration✓ Less disruptive to the soil surface than core aeration✓ Creates less mess: Does not leave plugs of soil scattered around lawn✓ Can be used frequently in compaction-prone areas without disrupting lawn’s visual appeal✓ Good for small lawns with mild compaction and lower foot traffic

Cons of spike aeration:

✗ Spikes increase compaction in the long term✗ Time-consuming and labor-intensive: Shoes and rolling spike tools are not ideal for larger areas✗ Less effective than core aeration✗ Does not penetrate as deeply into the ground as core aeration✗ Compaction leads to more lawn problems in the future: Grass will be weaker and more prone to diseases✗ Compaction harms surrounding ecosystems through increased fertilizer use, erosion, and runoff

To learn more about the benefits of aeration, from increasing your grass’s drought tolerance to protecting your lawn from diseases, check out Lawn Love’s “Benefits of Aerating Your Lawn.”

Does my lawn need to be aerated?

As a general rule, lawns need annual aeration to prevent compaction and keep grass growing densely.

  • Lawns with high clay content or foot traffic may require aeration twice per year.
  • If your soil is sandy or if you have no drainage issues, you may only need to aerate every two to three years or simply spot aerate as needed.

Spikes do not aerate as deeply or as thoroughly as cores, so if you choose spike aeration, you’ll need to aerate more frequently. Spike aerate two to three times per year during the growing season, targeting places prone to compaction.

Contact your local extension service for advice on your area’s specific aeration needs.

Testing your lawn for compaction

A quick test to check if your grass needs to be aerated? Cut out a square foot section of lawn at least 6 inches deep. If grass roots are growing only 1 to 2 inches deep, your soil may be compacted and need aeration.

Alternatively, give your lawn the old “screwdriver test.” If you can easily push a screwdriver 3 inches into moist soil (without undue force like jabbing), then coring is likely not necessary.

Signs your lawn needs aeration

If compacted soil is causing a problem, your grass won’t be shy to let you know. These lawn symptoms are good indicators that your lawn needs aerating:

  • Your lawn feels spongy and dries out easily.
  • Your soil is hard to the touch.
  • Your lawn isn’t draining properly during rainstorms, and puddles are forming where they did not before.
  • Your grass is thinning and becoming discolored.
  • Your grass is developing diseases like brown patch.
  • Your lawn gets heavy foot traffic.
  • Your house was newly built or you have recently had construction done.
  • Your lawn was laid from sod: If sod was not mixed with the soil underneath, grass roots may struggle to grow into the lower layer of soil. Aeration breaks up the soil layering to spur root growth.

Even if your lawn isn’t in desperate need, aeration is a natural way to stimulate beneficial microbial growth, promote thatch decomposition, and increase oxygen flow to roots, which will get your grass growing faster and looking healthier.

When to aerate

Aerate during your grass’s active growing season so that grass recovers quickly and fills the holes in your lawn.

  • For cool-season grass lawns with types like tall fescue and Kentucky bluegrass, fall is the ideal time to aerate. While cool-season lawns can be aerated in either early spring or early fall, fall is preferred because weeds are less likely to sprout in the holes.
  • For warm-season lawns with grasses like Bermudagrass and Zoysia, aerate in late spring or early summer when grass is growing most vigorously. This will ensure speedy lawn recovery.

Aerate in the right season for your region to prevent lawn stress. Avoid aerating during the peak heat of summer or in the cold of winter when grass is dormant.

FAQ about aeration

What lawn improvements can I expect from aeration?

Aeration will decrease your lawn’s susceptibility to pests and diseases, eliminate yellow and brown spots, and increase the number of beneficial organisms in your yard (like earthworms, which keep your soil loose and nutrient-rich for lasting grass health).

Aeration stimulates renewed growth, so you can expect your grass to grow greener and more rapidly than before, with deeper roots and stronger shoots. Your lawn will be lush and holes will be healed in three to four weeks after aerating.

How long does it take to aerate my lawn?

With a tow-behind or walk-behind aerator, you can aerate a medium-sized, 10,000-square-foot lawn in an hour to an hour and a half. If you want to call in the pros, they can do the job in as little as 30 minutes.

The less sunny news? If you’re using a manual core aerator or spiked shoes, it’ll likely take a full morning or longer, and you may have to take breaks depending on your lawn size.

How long will aeration’s benefits last?

Well, it depends on your soil type and lawn characteristics. Lawns with sandy soils could thrive for as long as five years after a single aeration, whereas with clay soils, your grass might start losing its color just eight months after being aerated. To make sure you’re aerating on the healthiest basis for lawns in your region, contact your local extension service.

Will aerating my lawn damage my irrigation system?

Not if you take precautions. Make sure you mark your sprinkler heads clearly with flags, stakes, or spray before you aerate. That way, you won’t have an aeration tine ramming right into your watering system.

What should I do after aerating my lawn?

Water your lawn thoroughly after aerating. This is also a great time to overseed, apply compost and fertilizer, and amend your soil (i.e. if your soil is too acidic, now is the time to apply lime).

After overseeding, you’ll need to water your newly aerated yard daily or twice daily for the first two to three weeks as grass germinates. It’s important to keep soil moist for grass seeds. Once your grass has germinated, switch to deeper, less frequent waterings to encourage deep root growth.

Want to make sure your grass grows evenly? Wait a month after aeration before overseeding so that holes are healed before you plant.

If you’re not planning to overseed directly after aerating, you can apply a pre-emergent herbicide to prevent weeds from popping up in empty holes.

Can I combine core aeration with spike aeration to give my lawn some extra care?

You can, but use caution to ensure you’re not aerating too much.

Core aerate yearly to give your lawn thorough aeration. Then, if your lawn needs an extra boost during the growing season, you can spike aerate. The thin tines from spike aeration won’t disrupt the visual appeal of your lawn like the larger holes and plugs from core aeration.

If reducing compaction is your long-term goal, you’ll want to stick to core aeration.

How else can I get my lawn to look its best?

Aerating is the start to healthy, long-lasting grass. With nutrient-rich soil and strong grass roots, maintenance will be a whole lot easier. To keep your aerated lawn in peak condition, check out our articles on lawn health:

  • Mow:How to mow a lawn
  • Water:When is the best time to water your lawn?
  • Fertilize:How to fertilize your lawn
  • Overseed:4 steps to overseed a lawn
  • Weed and pest control:5 organic pest control options

Choosing spikes or cores

If you’re ready to give your grass a refreshing breath of air and a natural dose of nutrients, aeration is the way to go. Spike aeration is a quick fix for a mildly compacted lawn. But for a long-term lawn health solution, core aeration will give your grass what it needs for sustained, dense growth.

Want your grass to grow greener but don’t have the time to aerate? Call a local lawn care professional to aerate away the day, so you can breathe easier without sweating it out in your yard.

Why, When and How to Aerate Your Lawn

Simple, regular maintenance tasks go a long way in creating a thicker, healthier lawn. But jobs typically reserved for once a year can play a significant role in supporting smaller steps taken across the months. For many homeowners, aerating lawns to relieve soil compaction and enhance grass growth is a regular annual task. Almost any lawn can benefit from aeration when it”s timed well and done properly.

Why Aerating Helps Lawns

Grass roots need air, water and nutrients to grow thick, deep and strong. When soil becomes compacted, even slightly, it inhibit the flow of the essentials that support thicker, healthier turf growth. A layer of compacted soil just 1/4 to 1/2 inches thick can make a significant difference in the health and beauty of your lawn.1 Aeration creates holes down into the soil to alleviate compaction so air, water and nutrients can reach grass roots.

Deprived of their basic needs by compacted soil, lawn grasses struggle in stressful situations, such as heat and low rainfall, and lose their healthy, rich color. Grasses gradually thin and eventually die out completely, for lack of the oxygen, water and nutrients available just inches away. Even a single aeration session can open the avenue for these essentials to reach their mark and put your lawn back on an upward trend.

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Core aerators pull small plugs of soil to the surface.

When Lawns Need Aeration

It may not seem your lawn could get compacted, but it happens easier than you may think. Vehicles or small equipment driven on lawns are more obvious offenders, but even outdoor entertaining or yard play by kids and pets can leave all or part of your lawn compacted. If you live where heavy clay soil is the norm, annual aeration is probably needed to keep your lawn from becoming thin and weak.

Dethatching and aerating are two different tasks, but they often go hand in hand. Thatch is the layer of decomposing organic matter that forms right at the lawn surface, between soil and grass. When thatch gets more than 1/2 inch thick, it works like compaction to prevent the flow of air, water and nutrients grasses need. Aggressive spreading grasses, such as Kentucky bluegrass in northern lawns and Bermudagrass down south, form more thatch than many other grass types. Aeration helps penetrate and reduce thatch buildup or prep it for removal through dethatching.

If your grass often looks stressed and your soil is hard to the touch or rainwater puddles up where it used to be absorbed, you may have compaction problems. Confirm your suspicions with a simple “screwdriver test.” Take a regular screwdriver and stick it into your lawn”s soil by hand. It should slide in fairly easily. If you meet resistance, your soil is compacted, and aeration can help.

When to Aerate Your Lawn

As with most larger lawn projects, such as planting grass seed, it”s best to aerate during or right before the time your grasses reach their peak time for natural growth. Aeration is good for lawns, but it can stress grass if timed improperly. Never aerate dormant lawns.

For cool-season grasses common in northern lawns, early fall or early spring are the best times for aerating. For warm-season grasses common to southern lawns, the best time for aerating is late spring or very early summer. When aeration coincides with active growth, grasses recover quickly and fill in areas where aerator equipment exposes soil.

Aerating is easiest on you (or your equipment operator) and your lawn when your soil is moist from irrigation or rainfall the day before. Overly dry soil can be tough to aerate, so moisture eases the process. Never aerate overly wet lawns; wait a few days instead.

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Slicing aerators slice through lawns and leave soil in place.

How to Aerate Your Lawn

Aerating equipment comes in three main types, from small manual versions to larger tractor-like or pull-behind machinery:

  • Spike aerators simply poke a hole down into the soil with a solid, spike-like tine. Some homeowners wear spiked aerator “sandals” strapped to their shoes to aerate as they do yard work. While these can help on a small scale, spike machines can make compaction worse by pressing soil together around the holes. 1
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