Best Practices for Filling in Mole Hills


The problem of mole infestations in lawns and gardens can be a frustrating one to deal with. These pesky creatures create mounds of soil, also known as mole hills, that can damage the aesthetics and functionality of your outdoor space. If you’re tired of seeing these unsightly hills pop up and want to learn how to fill them in properly, you’ve come to the right place. In this comprehensive guide, we will take you through the step-by-step process of filling in mole hills, as well as alternative methods for mole control and prevention. So, let’s get started and say goodbye to those pesky tunneling critters!

What are Mole Hills?

Mole hills are small piles of soil that look like cones and are usually found on lawns or gardens. These mounds are created by the tunneling of moles, which are small mammals that burrow through the soil. Moles are often mistaken for voles, but while voles create surface tunnels or runways, moles create tunnels underground.

These tunnels serve as the home of the mole, as well as the passageway they use to travel and hunt for food. Moles primarily feed on grubs, earthworms, and other small insects that are found in the soil. This makes the presence of mole hills on your lawn or garden a sign of their activity, and it means that moles can be a threat to the health of your plants.

The appearance of mole hills can also be an indication of the overall health of your soil. The soil that moles bring to the surface as they tunnel can be rich in minerals and nutrients, which can be beneficial for your plants. However, excessive tunneling can disrupt the soil structure, making it difficult for plants to grow properly. It is important to take mole hills seriously and to address them in a timely manner to maintain the health of your lawn and garden.

To learn more about how to distinguish between mole and vole tunnels or to read more about identifying mole tunnels, check out our articles Mole vs. Vole Tunnels and Identifying Mole Tunnels. And for more information on the relationship between mole tunnels and soil health, see our article on Mole Tunnels and Soil Health.

Why Fill in Mole Hills?

Mole hills can create a variety of problems for homeowners and landscapers alike. It is important to fill in mole hills as soon as they are noticed to prevent any further damage to the property. Some reasons why it is important to fill in mole hills are:

1. Aesthetic Appeal: Mole hills can make a lawn look unsightly and unkempt. A yard filled with mole hills can be a sign of neglect and may even lower the property value.

2. Safety Hazard: Mole hills can create a tripping hazard, especially for children and the elderly. The mounds of dirt can make it difficult to walk on and can cause someone to twist their ankle, fall, or even trip and hit their head.

3. Lawn Damage: Mole hills can damage the lawn by creating uneven surfaces that can cause issues when mowing or maintaining the area. The disturbed soil can also create a breeding ground for weeds, which can damage the lawn even further.

4. Pest Infestation: Mole hills can create an ideal environment for pests like ants, beetles, and termites to thrive. These pests can cause even further damage to the lawn and pose a threat to the health of any nearby plants.

5. Structural Damage: In some cases, mole hills can even cause structural damage. When mole tunnels run under sidewalks, driveways or building foundations, they can create instability that can lead to cracking and other damage.

It is important to fill in mole hills as soon as possible to prevent any problems from occurring. By following the step-by-step guide and implementing strategies to prevent future mole infestations, homeowners and landscapers can maintain a beautiful, healthy lawn for years to come.

The Importance of Preventing Future Mole Infestations

Prevention is key when it comes to dealing with mole infestations. If left unchecked, a mole infestation can lead to extensive damage to your lawn and garden. Not only do mole hills create an unsightly and uneven surface, but they can also make it difficult to mow your lawn or plant new vegetation. Additionally, mole tunnels can cause damage to the roots of existing plants, potentially killing them.

Preventing future mole infestations is essential in order to maintain the health and functionality of your lawn and garden. There are several steps you can take to prevent mole infestations from occurring in the first place.

  • Maintain regular lawn maintenance: Keeping your lawn well-maintained can discourage moles from setting up shop in the first place. Mowing your lawn regularly, pulling weeds, and trimming bushes can all make your lawn less attractive to moles.
  • Implement mole-repelling accessories: There are several devices available that emit high-frequency vibrations or sound waves to deter moles from your property. These devices can be placed in the ground and left to work their magic.
  • Adjust soil moisture levels: Moles prefer moist soil, so if you can keep your soil relatively dry, you might be able to make your lawn less attractive to moles. Avoid overwatering your lawn and make sure that drainage is adequate.
  • Cleaning up scraps of food attractants: Moles feed on insects and grubs that live in your soil, so it’s important to keep your lawn free of food attractants. Avoid leaving pet food outside, clean up any fallen fruit from trees regularly, and dispose of yard waste promptly.
  • Maintain a healthy lawn ecosystem: A healthy lawn is less susceptible to pest infestations. Make sure to fertilize, aerate, and overseed your lawn regularly to keep it lush and green.

By taking these preventative measures, you can significantly reduce the chances of a mole infestation taking hold in your lawn or garden. However, if you do find yourself dealing with mole hills, it’s important to take prompt action to address the issue before it gets out of control.

Step-by-Step Guide: How to Fill in Mole Hills

Step-By-Step Guide: How To Fill In Mole Hills
Filling in mole hills can seem like a daunting task, but with the right approach, it can be done quickly and efficiently. By following these step-by-step instructions, you will learn how to fill in mole hills with ease and restore your lawn’s appearance. Whether you choose to do it yourself or hire a professional, this guide will help you achieve a mole-free lawn that is beautiful and healthy. Before beginning, make sure you understand what mole hills are and why they need to be filled in. If you need a refresher, check out our previous section on mole hills.

Step 1: Gather Materials

When preparing to fill in mole hills, it is important to gather all the necessary materials in advance. Here are the items you will need:

  • Shovel: To help you flatten the mole hill and remove excess dirt and debris.
  • To level the ground and prepare it for seeding.
  • Grass Seed: To reseed the area where the mole hill was located.
  • Water Hose or Sprinkler: To water the newly seeded area.
  • Gloves: To protect your hands when handling the soil and grass seed.
  • Optional: Castor Oil or Physical Barriers: These materials can also be used as alternative methods for deterring future mole invasions.

By having all of these materials prepared beforehand, you can ensure that the process of filling in the mole hill goes smoothly and efficiently, and that you have what you need in case you encounter any unexpected issues.

Step 2: Flatten the Mole Hill

After gathering the necessary materials, the next step in filling in a mole hill is to flatten it. Flattening the molehill will make it easier to remove excess dirt and debris in the next step. Use a shovel or a trowel to slowly push down the sides of the molehill until it is level with the surrounding ground. Be careful not to press down too hard or you could damage the roots of any nearby plants or disturb the soil balance.

It’s important to note that if the molehill is particularly high or large, you may need to break it down into smaller sections to avoid difficulty in handling the materials or potentially damaging the area. Once you have flattened the molehill, move on to the next step of removing any excess dirt or debris.

To summarize, the second step in filling in a molehill is to use a shovel or trowel to gently push down the sides until the molehill is level with the surrounding ground. If the molehill is particularly large, break it down into smaller sections to avoid difficulty in handling the materials.

Step 3: Remove Excess Dirt and Debris

After flattening the mole hill, the next step is to remove any excess dirt and debris left behind. This will ensure that the ground is properly leveled and ready for seeding.

Here are the steps to follow when removing excess dirt and debris:

  • Use a rake to clear away any loose dirt and debris surrounding the mole hill.
  • Collect any remaining dirt and debris from the mole hill and place it in a bucket or wheelbarrow.
  • Ensure that the area is clean and clear of any rocks or other obstructions that could interfere with the leveling process.
  • If necessary, add more soil to the area to ensure that it is level with the surrounding ground.

It is important to note that removing excess dirt and debris is a crucial step in the process of filling in mole hills. Failure to remove these materials could result in an uneven ground surface that is susceptible to further damage from moles or other pests. Taking the time to properly clean the area will ensure that the ground is ready for the next step in the process.

Step 4: Level the Ground

Once the excess dirt and debris have been removed from the mole hill, it’s time to level the ground. This is an important step in ensuring that the area is safe for walking and will not be a tripping hazard. Here’s how to level the ground:

  1. Use a shovel or rake: A basic shovel or rake can be used to move the soil around and level the ground.
  2. Smooth out the soil: Start by smoothing out the soil where the mole hill was. Be sure to remove any remaining clumps of dirt or debris.
  3. Check the level: Use a level to make sure that the ground is flat and even. If necessary, adjust the soil to ensure that it is level.
  4. Use your feet: Once the soil has been leveled, use your feet to tamp down the soil. This will help to make the area more compact and stable.
  5. Add topsoil: If the soil is particularly loose or sandy, adding topsoil can help to create a stable surface. Spread the topsoil over the leveled area and use a rake or shovel to mix it in with the existing soil.

Remember, it’s important to take your time when leveling the ground to ensure that it is properly done. A poorly leveled area can result in uneven ground or improper drainage, which can lead to other issues in the future.

Step 5: Seed and Water the Area

Once you have smoothed out the leveled ground, it’s time to seed and water the area. Use high-quality grass seed that is appropriate for your region and the amount of sunlight the area receives. Here are the step-by-step instructions for this process:

  1. Spread the seed evenly: Use a hand-held or mechanical spreader to spread the grass seed evenly over the area. Be sure to follow the instructions on the seed package for the appropriate amount of seed per square foot.
  2. Rake the seed into the soil: Use a rake to gently rake the seed into the top layer of soil. This will help ensure good seed-to-soil contact, which is essential for successful germination.
  3. Water the area: Water the seeded area immediately after seeding, and continue to water it consistently to keep the soil moist until the grass has established itself. A light spray of water several times a day is better than heavy watering that floods the area.
  4. Monitor the area for germination: Keep an eye on the area and look for signs of germination. Grass should start to grow within a few days to a week. If after two weeks you don’t see any growth, reseed the area.
  5. Maintain the new grass: Once the grass has established itself, continue to water it regularly and follow normal lawn care practices such as mowing, fertilizing, and aerating.

Remember, establishing new grass takes time and patience. Be sure to follow all of the instructions carefully for the best chance of success.

Step 6: Monitor the Area for Further Mole Activity

After completing the process of filling in the mole hills, it is essential to monitor the area for any further mole activity. Here are some steps to keep in mind:

  • Check the area regularly, especially during the morning or evening when moles are most active.
  • Look for new mole hills or tunnels that may have been created.
  • Pay attention to any changes in the soil or grass above where the mole hill was filled in.
  • If you notice any new activity, repeat the process of filling in the mole hill to prevent further damage to your lawn or garden.

Remember, moles are persistent animals and may continue to surface in your yard even after you have taken preventative measures. By closely monitoring the area and taking action when necessary, you can keep your lawn protected and free from mole damage.

Alternative Methods for Filling in Mole Hills

Alternative Methods For Filling In Mole Hills
If filling in mole hills using the traditional method doesn’t work for you, don’t lose hope! There are alternative ways to get rid of these pesky mounds. In fact, it turns out that there are several possible methods you can try that may be even more effective. In this section, we’ll explore some unconventional approaches to fill in mole hills and repel moles. These methods range from natural deterrents to professional control services. So, let’s examine each alternative in more detail and learn how they work.

Using Castor Oil as a Repellent

One alternative method for filling in mole hills in your lawn is to use castor oil as a repellent. Castor oil has been found to be effective in deterring moles from invading your lawn. Here are the steps to follow if you want to use castor oil as a mole repellent:

Step 1: Purchase Castor Oil

You will need to purchase castor oil, which can be found at your local hardware or home improvement store. Make sure to choose a high-quality product.

Step 2: Dilute the Castor Oil

Mix the castor oil with water to create a 1:1 mixture. This will help the castor oil spread more evenly over your lawn.

Step 3: Apply the Mixture to Your Lawn

Spray the castor oil mixture over your lawn, paying special attention to areas where mole activity has been observed. Repeat this process every two to three weeks for best results.

Step 4: Monitor the Effectiveness

Observe your lawn for any changes in mole activity. If mole activity persists, you may need to try an additional method.

Castor oil can be an effective repellent for moles, but it may take time to see results. Keep in mind that castor oil will not kill moles, but will simply discourage them from invading your lawn.

Implementing Physical Barriers

When it comes to preventing moles from invading your lawn, implementing physical barriers can be a highly effective solution. These barriers work by blocking the underground tunnels that moles use to travel throughout your yard. Below are several different types of physical barriers that you can use to keep moles at bay:

Type of Barrier Description
Wire Mesh Wire mesh is a type of barrier that is made from a sturdy metal material, such as galvanized steel. Once installed, it can prevent moles from digging into your yard, as it effectively blocks off their tunnels.
Buried Fencing Buried fencing involves installing a fence that is buried several feet underground around the perimeter of your property. This method can be highly effective, as it creates a barrier that moles are unable to penetrate.
Chicken Wire Chicken wire is a type of mesh that is made from thin, flexible wire. It is typically used to keep small animals out of gardens, but it can also be an effective barrier against moles. Simply bury the chicken wire several inches underground around the perimeter of your lawn to prevent moles from entering.
Hardware Cloth Hardware cloth is a type of mesh that is made from a heavier gauge wire than chicken wire. It can be used to create a barrier around the perimeter of your lawn or garden, preventing moles from entering.

Of course, each of these solutions has its own set of pros and cons, and it is important to choose the one that will work best for your particular situation. Once you have installed a physical barrier, it is important to periodically check it for any damage or signs that moles may have found a way to penetrate it. With the right barrier in place, however, you can effectively keep moles from invading your lawn and causing damage to your property.

Working with a Professional Mole Control Service

If you’ve tried all the DIY methods of filling in mole hills and preventing future mole infestations but still can’t seem to get rid of them, it may be time to consider working with a professional mole control service. These experts have years of experience dealing with moles and can help you find an effective long-term solution.

Here are some benefits of working with a mole control service:

  • Expertise: Mole control services employ professionals who are experts in their field. They know the behaviors and habits of moles and can use this knowledge to effectively remove them from your property.
  • Safety: Professional mole control services use safe and humane methods to remove moles. They also know how to handle any potentially dangerous situations, such as encountering venomous snakes or other wildlife that share the mole’s habitat.
  • Efficiency: Because of their experience, mole control services can often remove moles from your property much faster than you could with DIY methods. This means your lawn will be free of mole hills and tunnels sooner.
  • Long-term Solutions: Mole control services don’t just remove the current infestation, they also offer solutions to prevent future mole invasions. They may recommend changes to your lawn care routine or installing physical barriers to prevent moles from entering your property.
  • Reduced Property Damage: By quickly and effectively removing moles, a professional service can help prevent additional damage to your lawn and landscaping. This means you won’t have to spend as much time and money repairing the damage moles cause.

Before working with a mole control service, do your research to find a reputable company with positive reviews and a track record of success. Be sure to ask about their methods for removing moles and preventing future infestations, as well as their pricing and guarantees. With the help of a professional mole control service, you can have a mole-free lawn once and for all.

Preventing Future Mole Invasions

As frustrating as it can be to deal with existing mole infestations, the last thing anyone wants is for them to come back. Thankfully, there are a variety of proactive measures that can be taken to prevent future mole invasions. By implementing some simple adjustments to your lawn maintenance routine and utilizing mole-repelling accessories, you can significantly reduce the likelihood of moles making a home on your property. Let’s take a closer look at some of the steps you can take to keep your lawn mole-free.

Maintain Regular Lawn Maintenance

One important step in preventing future mole infestations is to maintain regular lawn maintenance. This involves keeping your lawn healthy and free of debris that can attract moles. Here are some tips to consider:

  • Mow your lawn regularly: Keeping your lawn trimmed to the appropriate height and frequency can help keep moles at bay. Mowing at least once a week during the active growing season helps to keep your lawn healthy and less attractive to moles.
  • Remove leaves and other debris: Moles are attracted to damp areas that are rich in organic matter. This is why it’s important to remove leaves, twigs, and other debris from your lawn on a regular basis.
  • Aerate your lawn: Proper aeration helps to improve the health of your lawn by reducing soil compaction and increasing water and nutrient absorption. This can help deter moles from making a home in your lawn.
  • Keep soil moisture levels consistent: Moles are attracted to soil that is moist and easy to dig through. By keeping your lawn watered on a regular basis, you can discourage moles from finding your lawn a suitable habitat.
  • Fertilize your lawn: Regular fertilization can help to keep your lawn healthy and less attractive to moles. By feeding your lawn the necessary nutrients, it can grow healthy and strong, discouraging moles from tunneling through it.

By following these lawn maintenance tips, you can help reduce the chances of future mole infestations in your yard. Regular care and attention to your lawn will help it thrive and be less attractive to burrowing pests.

Implement Mole-Repelling Accessories

One effective way to prevent future mole invasions is by implementing mole-repelling accessories in your lawn. These accessories work to create an uninviting environment for moles, causing them to seek shelter elsewhere.

Here are some commonly used mole-repelling accessories and how to use them:

Mole-Repelling Accessory Description How to Use
Sonic Repellers Electronic devices that emit high-frequency sounds that are irritating to moles and other burrowing rodents. Place the repellers around the perimeter of your lawn, following the manufacturer’s instructions.
Mole Netting A type of wire mesh that is placed below ground to prevent moles from burrowing. Dig a trench around the perimeter of your lawn and bury the netting at least 12 inches deep. Make sure the mesh is flush with the ground to prevent moles from going underneath.
Blood Meal Fertilizer A natural fertilizer that is made from dried animal blood. The scent of blood meal is repulsive to moles and can keep them away from your lawn. Sprinkle the fertilizer around the perimeter of your lawn or in areas where moles are known to burrow.
Castor Oil A natural oil that can be mixed with water and sprayed on your lawn to repel moles. The scent of castor oil is unpleasant to moles and can cause them to move on to another area. Mix one part castor oil with two parts water in a spray bottle. Spray the mixture on your lawn, paying special attention to areas where moles have been active.

Using these mole-repelling accessories in conjunction with proper lawn maintenance and other preventative measures can greatly reduce the likelihood of future mole invasions on your property.

Adjust Soil Moisture Levels

Maintaining appropriate soil moisture levels is an essential aspect of ensuring that mole infestations do not occur. Moles prefer to burrow in soil that is consistently moist, so it’s essential to stay on top of this aspect of lawn care. Here are a few tips for adjusting soil moisture levels:

  • Water your lawn deeply and infrequently: Instead of watering your lawn every day, it’s essential to water deeply but less frequently. This means that your soil will absorb more water, which will encourage deeper root growth for your grass. Additionally, this will discourage moles from burrowing in your lawn since it will not be as consistently moist.
  • Watch for areas with standing water: If you notice that certain areas of your lawn tend to have standing water after rainfall or watering, it’s important to address that issue. Standing water can attract moles and other pests, so it’s essential to reroute your sprinklers or address drainage problems that might contribute to this issue.
  • Avoid over-fertilizing: Over-fertilizing your lawn can lead to excessive growth, which requires more water than your soil can hold. This can create consistently moist conditions that are ideal for moles. Ensure that you follow appropriate fertilizer guidelines for your lawn and avoid excessive applications.

By adjusting soil moisture levels, you can create a less attractive environment for moles and other pests. Be sure to monitor your lawn for too much or too little moisture and adjust accordingly to keep it healthy and unappealing to moles.

Cleaning Up Scraps of Food Attractants

One of the ways to prevent future mole invasions is to clean up scraps of food attractants. Moles are drawn to areas where their food sources, such as insects, grubs, and worms, are abundant. Leaving scraps of food on your lawn may attract moles.

To prevent this, it is important to keep your lawn clean and free of any food debris. This can be achieved by regularly sweeping your lawn and picking up fallen fruits or vegetables, disposing of any food waste properly, and avoiding feeding pets outside.

In addition to cleaning up after yourself, it is also important to encourage your neighbors to do the same. Moles do not recognize property lines and may move onto your lawn if they find a food source nearby.

By following these simple steps, you can significantly reduce the chances of a mole infestation in your lawn by eliminating any potential sources of food attractants.

Maintain a Healthy Lawn Ecosystem

Maintaining a healthy lawn ecosystem is crucial in preventing mole invasions. Moles tend to infest lawns that lack proper care and attention. A poorly-maintained lawn with dry patches and improperly fertilized soil can attract moles. Here are some essential practices to maintain a healthy lawn ecosystem:

Practice Description
Fertilize Regularly Fertilize your lawn regularly to ensure proper soil nutrient levels. This can prevent pests and diseases from ruining the turf, making it less attractive to moles.
Water Adequately Water your lawn properly and regularly to maintain the right amount of moisture for healthy grass. A dry lawn can attract moles seeking a wetter environment.
Repair Bare Patches Fill in bare patches on your lawn as soon as they appear. These patches can indicate the presence of pests or diseases, which moles may find attractive.
Mow Regularly Mow your lawn regularly at the appropriate height. Long grass can provide cover for moles and other pests.
Aerate Your Lawn Aerate your lawn with a mechanical aerator to allow air, water, and nutrients to penetrate the soil. This promotes a healthy lawn ecosystem and makes it less attractive to moles.
Use Proper Weeding Techniques Use proper techniques to remove weeds from your lawn. Weeds can harbor pests and diseases that can damage your lawn, making it more attractive to moles.

By maintaining a healthy lawn ecosystem with these practices, you can reduce the chances of moles invading your lawn in the first place.


As we come to the end of this comprehensive guide on how to fill in mole hills, it’s important to reflect on the valuable information that has been shared. With several effective methods available for filling in mole hills and preventing future mole infestations, it is possible to maintain a beautiful, healthy lawn with little to no mole damage. By implementing the steps outlined in this guide, you can feel confident in your ability to tackle mole infestations once and for all. Remember to remain vigilant and regularly monitor your lawn for any signs of mole activity, as prevention and prompt action are key to maintaining a mole-free lawn.

Final Thoughts on Filling in Mole Hills and Preventing Mole Infestations

As an expert in filling in mole hills and preventing mole infestations, it is crucial to take the necessary steps to ensure your lawn remains mole-free in the future. Remembering to stay vigilant and maintain regular lawn maintenance routines can go a long way in preventing mole activity. Implementing mole-repelling accessories such as solar-powered sonic spikes or motion-activated sprinklers can also help deter moles from entering your property.

Another effective strategy is to adjust soil moisture levels, as moles prefer damp soil. Avoid overwatering your lawn and make sure that your irrigation system is not directly pointing at mole activity areas as this can attract them. Additionally, cleaning up scraps of food attractants in your yard such as fallen fruits and nuts can help eliminate any potential food sources for moles.

Lastly, maintaining a healthy lawn ecosystem by promoting diverse plant growth and reducing the use of chemicals can also help deter mole activity. Remember, prevention is key when it comes to mole infestations, and taking the necessary steps to maintain your lawn’s health and deter moles from entering your property can save you time, money, and frustration in the long run.

Frequently Asked Questions

Why do moles create hills in your lawn?

Moless create hills in your lawn to create tunnels for their living space, collecting food, and to travel around the area.

Will filling in mole hills solve the problem of moles?

Filling in mole hills can temporarily help, but it is not a permanent solution to getting rid of moles. You may have to use other methods to effectively get rid of moles for good.

What kind of materials do I need to fill in mole hills?

You will need materials such as a shovel, a wheelbarrow, topsoil, grass seed, a garden rake, and water.

How do I prevent future mole infestations?

You can prevent future mole infestations by maintaining regular lawn maintenance, implementing mole-repelling accessories, adjusting soil moisture levels, and cleaning up scraps of food attractants.

What is castor oil, and how does it repel moles?

Castor oil is extracted from castor beans and can be used as a natural mole repellent. The odor of the oil repels moles from an area.

Can I use physical barriers to prevent moles from entering my lawn?

Yes, you can use physical barriers such as mesh, fencing, or a mole repellent plant border to deter moles from entering your lawn.

How can a professional mole control service assist me in addressing a mole infestation?

A mole control service can provide you with effective methods of controlling moles in your lawn using their expertise and knowledge.

Why is it essential to monitor the area for future mole activity?

It is vital to monitor the area for future mole activity because if ignored, the mole problem will persist, and you will have to start all over again.

Can mole hills damage my lawn?

Yes, mole hills can damage your lawn by disrupting soil, killing grass, and creating an unsightly obstacle on your lawn.

What should I do if the mole infestation seems to be out of control?

If the mole infestation seems to be out of control, you should seek help from a professional mole control service to assist you in resolving the issue.