Do Ants Eat Grass? All About Ant Damage To Your Lawn

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It’s pretty normal to see ants crawling around your lawn. But are ants dangerous for your lawn and grass? More pertinently, do ants eat grass? In this article, you will find out everything you need to know about ants eating grass and how you can protect your lawn from this pest!

Do ants eat grass?

Do ants eat grass?

Ants are often seen as pests in the garden. And while their presence in your garden soil helps aerate it, they can cause damage to your lawn. To answer the above question, no, ants do not eat grass per se. But, ants do eat grass seeds.

The thing is that when ants eat grass seeds, they end up serving as protection for other garden and lawn pests such as mealybugs or aphids. Ultimately, ants act as enablers to pests that have the potential to damage your lawn.

Further, ants can damage your lawn in a few different ways themselves. They may smother the grass by crawling over it, and they can also damage the grass by digging underground tunnels. These tunnels can disrupt the growth of the grassroots, and they may even cause them to die.

Is it bad for your lawn’s health to have ants on it?

While ants can cause some damage to lawns, it is not typically a major issue. It is more common to see ants in dry environments where they are looking for food. If you have a lot of ants on your lawn, it is likely because they are finding something to eat there.

While it is true that ants can do some damage to a lawn, this typically only occurs if they come in large numbers. For the most part, these tiny pests are not a significant threat to the health of your grass.

A healthy lawn should have a good mix of grasses and insects, including ants. Ants are most beneficial as they feed on other harmful pests. However, when there are too many ants, they can damage the grass by eating the roots and creating small bald patches or brown spots.

You are likely to only have a problem with ants if you have an abnormal number of them. Ants that are feeding on your grass will not cause any long-term damage.

Regardless, if you think you can see an ant one too many, then there are measures that you can take to get rid of these ants.

Why does your lawn have so many ants to begin with?

Ants eat grass seeds.

Ants are a common sight on lawns. While they may not be harmful to grass in small numbers, they can cause damage by building anthills.

Anthills are colonies of ants that live under the ground or in the hollows of trees. They can damage plants and grass by excavating the soil around the anthill and eating plant roots.

Ants build their nests in yards because it is the perfect place to do so. The soil is soft and easy to dig in, and there are plenty of places for them to hide. Ants also like to feed on the sugar in grass sap, which means they can kill grass if there are too many of them.

To start with, ants accumulate supplies and process them to feed themselves and proliferate in anthills. The grass blades, roots, and soil offer plenty of sustenance for the ants as well as a place to live. In addition, certain types of ants can even kill the grass by burrowing into it and eating the plant’s tissues.

It can be difficult to spot ant activity since they like to stay hidden deep in the soil. You may see an influx of ants when they are moving food back and forth to their nests. Often, you’ll see little lumps around the entrances of the nests – these are where the ants have been digging.

In addition, ants will eat other insects and even small amounts of grass. In fact, the presence of ants is usually a sign that your lawn has a high level of honeydew, which is an excretion from aphids and scale insects. Once you have identified the nests, it is important to take immediate action to eliminate them. Otherwise, the damage done by the ants can be long-lasting.

How can ants damage your lawn and your grass?

Ants can damage your lawn in a variety of ways. The most common way they damage grass is by eating it. They also create mounds around the lawn, which disturbs the soil and makes it difficult for grass to grow. Additionally, ants increase aphid populations, which can cause even more damage to your lawn.

I’ve discussed the ways ants can damage your lawn and grass in detail in the sections below. Keep reading!

Ants damage or harm the roots of your lawn grass.

Ants are attracted to the moisture and nutrients in the soil. When they invade an area, they can damage or harm the roots of your lawn grass by digging the soil around the roots or even eating the roots themselves. This can cause your lawn to become brown and patchy.

Interestingly, ants can damage the roots of your lawn grass without you even realizing it. The ants will create a path as they forage, and this can cause brown spots on your lawn. While the spots may not have an apparent cause, it is likely that the ants are to blame.

Ants construct mounds that smother the grass on your lawn.

Ant mound on grass.

Ants can be a nuisance on your lawn. They often build mounds that smother the grass. While they may not kill the grass, their presence can certainly damage it.

Ants often build mounds of dirt on lawns that prevent them from getting sunlight, which can also kill the grass. Further, they can tunnel through grass roots and damage them.

Ants eat grass seeds from your lawn.

Ants will eat grass seeds from your lawn. Ants may feed on grass seed and move it back to the nest, where they will bury it and store it for later use. This can be a problem for homeowners that have lawns because if the ants are eating the grass seeds, then there is a good chance that the lawn will not grow properly.

Though you may see ants marching across your lawn, it is not likely that they will eat every grass seed. What’s more concerning is when the ants damage or kill the grass by taking away the seeds. You may start to notice that your newly planted grass comes in patchier than you expected.

Ants feast on the fruit of your trees.

Ants are attracted to the sweet taste of many different types of foods. This is one of the main reasons they invade our homes and yards. Ants will eat a variety of things, including fruits, vegetables, meat, and sweets.

In addition, ants can climb fruit trees and feast on the fruit right off the branch. This can cause significant damage to the tree, as well as the surrounding area where the tree is planted.

As a result, if you only have a few fruit trees in your yard, ant colonies can quickly make a meal out of them. The ants will climb up the tree and eat the fruit off of the branches while gradually setting up an ant infestation nearby.

Ants get rid of good pest predators and protect pests instead.

Ants are a fairly important part of the food web, but sometimes they can become a nuisance when they invade our homes or damage our property. One of the things that ants do is get rid of good pest predators. This allows the pests that they like to eat, such as aphids and mealybugs, to flourish. Ants also protect these pests from being eaten by other predators.

Ants are not just pests in your yard. They can also be beneficial. For example, when honeydew is not eaten by ants, it can turn black and cause unsightly spots on your lawn, trees, and garden plants. If aphids are left unchecked, their numbers can increase to the point where they strip the leaves from your tree, leaving nothing more than skeletons waving feebly in the wind.

Ant mounds constructed with mud or soil on your lawn can damage your lawnmower.

Ants can build mounds of dirt on your lawn that can damage your lawnmower. The mounds are usually constructed with mud or soil, and the ants will use them to store food, protect their colonies, or raise their young.

If you have an ant problem on your property, it is important to address it quickly to prevent any further damage.

Mounds of earth that ants create while tunneling can be a nuisance for homeowners. The mounds can damage lawnmowers if they are run over, and the ants can also kill the grass with their tunnels.

How can you stop and prevent ant damage on your lawn and to your grass?

Ants damage your lawn.

There are various ways to stop ant damage on your lawn and to your grass. You can use insecticides directly on the mounds, go a more natural route, such as scents and smells, or apply habitat modification to make your yard less attractive to ants. Here are some of the finest ways to stop and prevent ant damage on your lawn!

Spray pesticides/insecticides on your lawn to get rid of ants.

Insecticides are a type of pesticide that is used to kill insects. They come in many forms, but the most common is a liquid that is sprayed on the target area. Insecticides can be very effective at eliminating ants from an area, but they should be applied with caution.

It is important to apply them directly to the dirt mounds near the ant colony so that you can get rid of the queen, and the rest of the colony will die off.

The insecticides should be spread uniformly and watered down to make them stick. However, before using any insecticide, it is important to make sure that it will not harm bees, ladybugs, or other good bugs in the area.

Spray natural and organic repellents to prevent ants on your lawn.

There are a variety of natural and organic repellents that can be used to prevent ants from invading your lawn. Peppermint essential oil is an effective ant repellent and can be sprayed directly on the ants or their nests to deter them.

There are also a number of other essential oils that have been shown to be effective in repelling ants, including lemon, lavender, and eucalyptus oils.

When it comes to ants on your grass lawn, the best way to deter them is by using a variety of natural repellents. You can find these repellents at your local gardening store or online. Some people have success with spraying citrus oil on their lawn, while others swear by vinegar traps.

Whatever you choose, make sure to concentrate your efforts in areas where you have noticed ant damage, such as brown spots, dirt mounds, or near fruit trees. Additionally, ants are often repelled by other strong smells, so you can try using peppermint oil, lavender oil, or coffee grounds to keep them away.

Habitat modification of your lawn to prevent ant infestations and reduce ant damage.

Ants can cause a lot of damage to your lawn if they are attracted to the area. They can tunnel through the soil, making it difficult for grass to grow. Additionally, they can damage plants and trees in the area. There are a few things you can do to help prevent ants from damaging your lawn.

First, clean up any unused materials or debris where ants can hide. Second, modify the habitat of your lawn so that it is less attractive to ants. You can do this by watering and fertilizing your lawn regularly and keeping it mowed short.

In addition, there are some further ways you can modify your lawn to prevent ant infestations and reduce ant damage. For example, be sure to pick up any unused building materials or lumber you have around the yard and keep your firewood stacked neatly. If possible, keep firewood off the ground.

Keep your pet’s dry food inside the house rather than outside.

If you have ants on your lawn, it’s important to keep one of their main food sources (pet food) inside the house. This will help prevent the ants from coming near your house and will stop them from being attracted to your pet’s food.

Keep your bushes and trees well-trimmed.

One final way to help deter ants from your lawn is to keep the bushes and trees trimmed. This will ensure that there is not a lot of vegetation for them to hide in and also that the bottom area is open, so they cannot build their nests there.

Keeping your bushes and trees well-trimmed is a good way to deter many other pests too. By doing this, you will make it difficult for pests to find a place to hide or nest. This will help protect your plants and property.


Even though ants don’t eat grass per se, they do eat grass seeds and cause a whole lot of damage to your lawn. Therefore, it’s best to ensure that your lawn does not have ants in the first place.

About the author

A biotechnologist by profession and a passionate pest researcher. I have been one of those people who used to run away from cockroaches and rats due to their pesky features, but then we all get that turn in life when we have to face something.