How to Stop Armadillos From Digging Up Your Yard

Can you stop armadillos from digging up your yard? Yes, you can stop armadillos from digging up your yard by understanding their behavior and implementing a combination of deterrents, barriers, and habitat modification. What is the best way to get rid of armadillos? The most effective approach involves creating an environment that is less appealing to them while actively discouraging their presence.

Armadillos are fascinating, if sometimes frustrating, creatures. Their unique appearance and tunneling habits can wreak havoc on otherwise pristine lawns, gardens, and flowerbeds. These nocturnal mammals, often mistaken for rodents, are actually more closely related to anteaters and sloths. Their primary diet consists of insects, grubs, earthworms, and other invertebrates, which they locate by digging. This digging, unfortunately, is what causes most of the problems for homeowners. If you’re tired of seeing craters in your yard, this comprehensive guide will help you prevent armadillo digging and reclaim your landscape.

Why Armadillos Dig

To effectively stop armadillos burrowing, we first need to understand why they do it. Armadillos dig for a few key reasons:

  • Foraging for Food: This is their primary motivation. Their keen sense of smell helps them locate insects, larvae, and other small invertebrates just beneath the soil surface. They flip over rocks and dig shallow holes to access these tasty morsels.
  • Creating Burrows: Armadillos dig burrows for shelter, protection from predators, and to raise their young. These burrows can be quite extensive, often with multiple entrances and chambers. They may also create temporary “day nests” for sleeping.
  • Seeking Water: In drier conditions, they might dig in moist soil to find moisture.

Identifying Armadillo Damage

Before you can implement armadillo control methods, it’s important to recognize their signs of activity. Armadillo damage is usually distinct:

  • Shallow Holes: These are typically cone-shaped or cylindrical, ranging from a few inches to over a foot deep. They are often found in flowerbeds, lawns, and around building foundations.
  • Uprooted Plants: In their quest for insects, armadillos can disturb or uproot small plants and seedlings.
  • Tunnel Systems: While less common on the surface, you might see evidence of their burrows near woodpiles, under sheds, or in dense vegetation.

Effective Armadillo Deterrents and Repellents

There are various approaches to discouraging armadillos. Combining several of these methods often yields the best results.

1. Habitat Modification: Making Your Yard Less Appealing

The most sustainable way to prevent armadillo digging is to make your yard a less desirable place for them to forage and live.

Reducing Food Sources

  • Control Insect Populations: This is a crucial step. Armadillos are drawn to yards with abundant insect life.
    • Grub Control: Apply beneficial nematodes or insecticidal soaps to your lawn to reduce grub populations. Healthy, well-maintained lawns are less attractive to grubs, which in turn makes them less attractive to armadillos.
    • Moisture Management: Avoid overwatering your lawn, as excessive moisture can attract earthworms and other invertebrates that armadillos love.
  • Clear Debris: Armadillos often hide and forage in leaf litter, mulch, woodpiles, and overgrown vegetation. Regularly clearing these areas removes potential shelter and food sources.

Eliminating Shelter

  • Seal Off Potential Den Sites: Armadillos seek shelter under decks, porches, sheds, and in dense brush.
    • Skirting: Install sturdy skirting around decks and porches, ensuring there are no gaps they can enter. Bury the skirting at least 12 inches into the ground to prevent them from digging underneath.
    • Block Entrances: Seal any holes or openings in outbuildings, foundations, and retaining walls.
  • Keep Your Lawn Trimmed: Tall grass and dense ground cover provide cover for armadillos and the insects they feed on.

2. Physical Barriers: Keeping Them Out

Physical barriers are a direct way to stop armadillos burrowing.

Fencing

  • Types of Fencing: A strong, sturdy fence is one of the most effective armadillo exclusion methods.
    • Material: Use galvanized steel, heavy gauge wire mesh, or even solid wood or vinyl fencing.
    • Height: A fence at least 2 to 3 feet high is generally sufficient.
    • Depth: This is critical. Armadillos are excellent diggers, so the fence must be buried at least 12 inches deep into the ground.
    • Inward Bend: For added security, bend the bottom 6 inches of the fence outward (away from your yard) at a 90-degree angle before burying it. This makes it harder for them to dig under.
  • Gate Security: Ensure gates are also securely fitted and buried to the same depth.

Trenching

  • Trench and Bury: For areas where full fencing isn’t practical, you can dig a trench along the perimeter of your property or garden bed.
    • Depth and Width: Dig a trench about 12-18 inches deep and 12 inches wide.
    • Material: Line the trench with heavy-gauge wire mesh or hardware cloth.
    • Backfill: Backfill the trench with soil, ensuring the mesh is securely in place.
    • Top Layer: Consider placing rocks or decorative gravel over the buried mesh to deter digging and improve aesthetics.

3. Commercial Armadillo Repellents

While natural methods are often preferred, commercial armadillo repellent products can offer a quick solution. These typically work through scent or taste.

Granular Repellents

  • Active Ingredients: Many granular repellents contain castor oil, a natural substance that is unpleasant to armadillos and disrupts their digestive system if ingested. Other formulations may use essential oils or other compounds.
  • Application: Sprinkle the granules around the perimeter of your yard, gardens, or any areas where you’ve seen digging. Always follow the product’s instructions carefully.
  • Effectiveness: Their effectiveness can vary depending on the product and the armadillo’s persistence. Reapplication may be necessary after rain.

Liquid Repellents

  • Scent-Based: Liquid repellents often rely on strong, unpleasant odors that armadillos dislike, such as ammonia or predator urine (like fox or coyote urine).
  • Application: These are typically sprayed around the affected areas.
  • Caution: Be mindful of overspray onto desired plants, as some strong scents can be harmful to vegetation.

Ultrasonic Devices

  • How They Work: These devices emit high-frequency sound waves that are supposed to be irritating to burrowing animals, including armadillos.
  • Effectiveness: Reviews on the effectiveness of ultrasonic devices for armadillos are mixed. Some users report success, while others find them to be ineffective. Armadillos may also become accustomed to the sounds over time.

4. Natural Armadillo Deterrents

For those seeking eco-friendly solutions, several natural armadillo deterrents can be employed.

Strong Scents

  • Castor Oil: As mentioned with commercial products, pure castor oil can be diluted with water and dish soap and sprayed around your yard. The smell is unpleasant to armadillos.
  • Essential Oils: Peppermint oil, castor oil, and eucalyptus oil are often cited as effective natural armadillo deterrents. Mix a few drops with water and a mild soap, then spray liberally around problem areas.
  • Coffee Grounds: Some anecdotal evidence suggests that spreading used coffee grounds around your yard can deter armadillos. The strong smell and texture might be off-putting.
  • Cayenne Pepper/Red Pepper Flakes: Sprinkling these around gardens can irritate their snouts and feet, making them less likely to dig. However, this can be washed away by rain and may need frequent reapplication. Be cautious with pets and children.

Other Natural Methods

  • Garlic Spray: Similar to pepper, a concentrated garlic spray can be a potent armadillo repellent.
  • Vinegar: Diluted white vinegar sprayed around the perimeter can also be a deterrent due to its strong smell.

Table 1: Comparison of Natural Armadillo Deterrents

Deterrent Application Method Effectiveness Considerations
Castor Oil Spray Diluted with water/soap, sprayed Moderate; can be washed away Reapply after rain; may need frequent application.
Essential Oils Diluted with water/soap, sprayed Moderate; smell can dissipate Use sparingly on plants; test in a small area first.
Coffee Grounds Sprinkled around perimeter Anecdotal; may deter through scent and texture Can attract other pests if not managed properly.
Cayenne Pepper Sprinkled around perimeter Moderate; irritant to snout/feet Wash away in rain; avoid contact with skin/eyes.
Garlic Spray Diluted with water, sprayed Moderate; strong odor Can be potent; test on plants.
Vinegar (Diluted) Sprayed around perimeter Moderate; strong odor Can harm some plants; use with caution.

5. Trapping and Relocation (Humane Armadillo Removal)

If other methods fail, humane armadillo removal through trapping can be considered. It’s important to note that trapping and relocating wildlife can be subject to local regulations, so check with your state’s wildlife agency before proceeding.

Live Trapping

  • Trap Type: Use a live trap large enough to comfortably accommodate an armadillo. Cage traps are typically used.
  • Baiting: Armadillos are attracted to insects and grubs. Consider using earthworms, mealworms, or a small amount of pet food as bait. Place the bait at the back of the trap.
  • Placement: Place traps in areas where you have seen significant armadillo activity, such as near their burrows or feeding areas.
  • Checking Traps: Check traps frequently, at least twice a day (morning and evening). It’s crucial to minimize the time an animal spends in a trap.
  • Relocation: If you successfully trap an armadillo, relocate it to a suitable habitat far from your home (at least 5-10 miles away). Ensure the new location has food, water, and shelter. It’s important to remember that trapped animals may not survive in unfamiliar territory.

Important Considerations for Trapping:

  • Legality: Always verify local laws regarding trapping and relocating wildlife.
  • Timing: Trap during cooler parts of the day.
  • Handling: Wear gloves when handling traps that have contained an animal, as they can carry diseases.

6. Professional Wildlife Control

If you are struggling to manage armadillo problems or are uncomfortable with trapping, consider hiring a professional wildlife control service. They have the experience and equipment for humane armadillo removal and can advise on effective armadillo proofing strategies for your specific situation.

Armadillo Proofing Your Yard: A Holistic Approach

Armadillo proofing isn’t just about one method; it’s about creating a comprehensive strategy. This involves layering multiple techniques to make your yard unattractive and inaccessible to these burrowing mammals.

Key Elements of Armadillo Proofing:

  1. Fortify Boundaries: Install secure fencing buried deep enough to prevent digging.
  2. Eliminate Food Sources: Manage insect populations and remove attractants like pet food left outdoors.
  3. Remove Shelter: Seal off potential den sites under decks, sheds, and foundations. Clear away debris and overgrowth.
  4. Regular Maintenance: Consistently maintain your yard by mowing, clearing leaves, and inspecting for potential entry points or new signs of activity.
  5. Repellent Application: Use appropriate armadillo deterrents (natural or commercial) as a supplementary measure, especially in vulnerable areas.

Dealing with Existing Burrows

What do you do once an armadillo has already established a burrow in your yard?

1. Filling Burrows

Once you are confident the burrow is no longer occupied, fill it in.

  • Confirmation: Observe the burrow for several days to ensure no armadillos are using it.
  • Method: Use a shovel to fill the burrow with soil and compact it.
  • Deterrent Application: You can sprinkle some of your chosen natural armadillo deterrents in and around the filled burrow to discourage them from digging a new one in the same spot.

2. Deterring Re-digging

  • Surface Treatment: Apply granular repellents or coffee grounds around filled burrows.
  • Physical Obstacles: Place large rocks or decorative stones over areas where they frequently dig.

What NOT to Do

When trying to stop armadillos burrowing, avoid methods that could be harmful or ineffective.

  • Poisoning: Using poisons is generally inhumane, illegal in many areas, and can harm non-target wildlife, pets, and even humans.
  • Harmful Chemicals: Avoid using harsh chemicals that can damage your soil, plants, or local water sources.
  • Scaring Tactics (Limited Effectiveness): While some noise or motion-activated devices might temporarily startle an armadillo, they often become accustomed to them. Consistent and robust deterrents are more effective.

Frequently Asked Questions (FAQ)

Q1: How quickly can armadillos dig a burrow?
A1: Armadillos can dig a burrow quite rapidly, sometimes completing a usable den in a matter of hours, especially in softer soil.

Q2: Are armadillos dangerous to pets?
A2: Armadillos are generally not aggressive towards pets. However, they can carry diseases like leprosy, and their digging can create hazards like holes that a pet could fall into. If cornered, they might defend themselves by scratching or biting, but this is rare.

Q3: Will mowing my lawn regularly deter armadillos?
A3: Mowing your lawn regularly helps by reducing the hiding places for insects and making the surface less appealing to armadillos. It’s a good part of an overall strategy, but not a sole solution.

Q4: Can I use mothballs to repel armadillos?
A4: While mothballs are sometimes suggested as a deterrent, their use is controversial. They contain naphthalene, which can be toxic to pets and humans, and their effectiveness against armadillos is often debated. It’s generally better to use safer and more targeted armadillo repellent options.

Q5: How do I know if my yard is attracting armadillos?
A5: Signs include the characteristic shallow, cone-shaped holes in your lawn and garden beds, uprooted plants, and potentially the sight of an armadillo itself, especially at dawn or dusk.

Q6: What is the most humane way to get rid of armadillos?
A6: The most humane methods involve making your yard inhospitable and using physical barriers. If trapping is necessary, ensure it is done with live traps and followed by responsible relocation or contacting a professional for humane armadillo removal.

Q7: Can I just fill in an armadillo’s burrow while it’s still occupied?
A7: It is strongly advised not to fill in a burrow that is actively occupied. This would be inhumane and could cause the animal to become trapped or desperate, potentially leading to more aggressive behavior or an attempt to dig its way out elsewhere, possibly into your home’s foundation. Always confirm the burrow is vacant.

Q8: Are armadillo deterrents expensive?
A8: The cost can vary. Natural armadillo deterrents like coffee grounds or pepper flakes are very inexpensive. Commercial repellents and ultrasonic devices can range from $20 to $100 or more. Fencing and professional services will be a larger investment but offer more permanent solutions for armadillo proofing.

Conclusion

Dealing with armadillos in your yard can be a persistent challenge, but with a consistent and multifaceted approach, you can effectively stop armadillos burrowing. By modifying your yard’s habitat to reduce food and shelter, implementing physical barriers for armadillo exclusion, and utilizing a combination of armadillo deterrents and natural armadillo deterrents, you can reclaim your lawn and garden. Remember that patience and persistence are key when it comes to armadillo control methods. Always prioritize humane solutions and consider consulting professionals for difficult situations. With the right strategies, you can enjoy a beautiful, dig-free yard once again.