22 Smells Proven to Drive Squirrels, Chipmunks, and Critters Crazy

Garden Plants
By Ella Brown

Gardens are a haven for many creatures, but sometimes our furry friends can become uninvited guests, causing havoc to our beloved plants. Fortunately, nature provides a solution — certain scents repel squirrels, chipmunks, and other critters, helping to protect your garden. Discover 22 smells that can keep these animals at bay.

1. Peppermint Oil

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Peppermint oil has a refreshing, crisp scent that can be quite overwhelming for squirrels and chipmunks. This scent disrupts their sense of smell and deters them from approaching your garden. To use, simply soak cotton balls in peppermint oil and place them around your plants or garden beds.

This natural solution not only repels critters but also adds a pleasant aroma to your garden space. Peppermint oil is a safe and eco-friendly option, ensuring that your garden remains a sanctuary for beneficial insects while deterring the furry intruders.

2. Garlic

© Dengarden

Garlic’s pungent aroma is notorious for driving away unwanted garden visitors. Its strong scent masks the fragrance of plants, making it difficult for critters to locate their favored snacks. To create a garlic spray, crush several cloves and mix with water.

Spray this mixture around your garden, particularly near plants prone to critter visits. Not only does this method help protect your plants, but it also enriches the soil with nutrients. Garlic is an easy and effective way to maintain your garden’s peace and prosperity.

3. Coffee Grounds

© Gardeners’ World

Used coffee grounds offer more than just a second life in your garden. These aromatic remnants deter squirrels and chipmunks, as they find the strong scent unpleasant. Sprinkle the grounds around your plants or mix them into the soil to keep critters away.

Besides repelling garden pests, coffee grounds enrich the soil with essential nutrients and improve drainage. This dual benefit makes them a favorite among gardeners looking for environmentally friendly solutions. Transform your garden into a critter-free zone with this simple trick.

4. Vinegar

© Backyard Boss

Vinegar, with its sharp, tangy odor, is a potent deterrent for garden invaders. Its acidic scent overwhelms the sensitive noses of squirrels and chipmunks, driving them away from your plants. Mix equal parts vinegar and water in a spray bottle and apply around your garden’s perimeter.

This method provides a natural barrier without harming the environment or beneficial insects. Use vinegar strategically to protect newly planted vegetables or flowers, ensuring they grow unbothered by curious critters.

5. Cayenne Pepper

© Backyard Boss

The fiery heat of cayenne pepper doesn’t just spice up dishes; it also deters squirrels and chipmunks. Scatter a liberal amount of cayenne pepper powder around your plants to keep them at bay. The capsaicin in the pepper irritates the critters’ sensitive noses and mouths, discouraging them from nibbling.

This spicy barrier is an effective, non-toxic way to protect your garden. Reapply after rain to maintain its potency. Embrace cayenne pepper as your garden’s secret weapon against unwelcome visitors.

6. Lavender

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Lavender, known for its calming properties, is ironically distressing for garden pests. Its aromatic scent, delightful to humans, is overwhelming to squirrels and chipmunks, deterring them from your garden. Plant lavender around the garden borders or use lavender essential oil to create a protective barrier.

As a bonus, lavender attracts pollinators, enhancing your garden’s biodiversity. Incorporate this fragrant plant to keep critters at bay while enjoying its beauty and benefits.

7. Ammonia

© Essex County Co-Op

Ammonia’s intense, acrid smell acts as a powerful deterrent to squirrels and chipmunks. Its pungency mimics the scent of predators, instilling fear in these small critters. To use, soak rags in ammonia and place them strategically around your garden.

While effective, ammonia should be used with caution, as it is a chemical. Ensure it’s kept away from children and pets, and consider alternatives if you’re seeking a completely natural approach. When used correctly, it can effectively protect your garden.

8. Mint Leaves

© Azure Farm

Mint leaves offer a fresh, invigorating scent that deters garden nuisances. The intense aroma of mint confuses the olfactory senses of squirrels and chipmunks, encouraging them to steer clear of your plants. Plant mint around the perimeter of your garden or crush the leaves to release more fragrance.

Mint is an excellent choice for those seeking a natural, chemical-free repellent. It’s easy to grow, spreading quickly and providing other benefits such as culinary uses and attracting beneficial insects.

9. Onions

© The Health Dispensary

The sharp, tangy fragrance of onions is a significant turnoff for many critters. This common kitchen staple can be used to create a protective barrier around your garden. Simply slice onions and scatter them among your plants, or use onion juice in a spray solution.

In addition to deterring pests, onions enrich the soil with nutrients, benefiting the overall health of your garden. With its dual-purpose nature, onions become a valuable ally in maintaining a critter-free environment.

10. Cinnamon

© Gardening Know How

Cinnamon, a beloved spice in the kitchen, doubles as a natural pest deterrent for gardens. Its sweet yet robust aroma confuses the sensitive noses of squirrels and chipmunks, keeping them away from your precious plants. Sprinkle ground cinnamon around the garden as a fragrant barrier.

This method not only protects your garden but also infuses the air with a pleasant, spicy fragrance. For those who enjoy spicing up their garden with natural remedies, cinnamon is a delightful choice.

11. Eucalyptus Oil

© Health

Eucalyptus oil, with its fresh and minty scent, serves as a potent deterrent for garden intruders. The strong fragrance disrupts their sense of smell, encouraging squirrels and chipmunks to find another place to forage. Apply a few drops of eucalyptus oil on cotton balls and place them around your garden.

This method is easy, effective, and adds a pleasant aroma to your outdoor space. Additionally, eucalyptus oil is environmentally friendly, ensuring your garden remains a safe haven for pollinators.

12. Black Pepper

© Epic Gardening

Black pepper, a staple in many kitchens, is surprisingly effective in deterring garden pests. Its spicy aroma and taste are unpleasant to squirrels and chipmunks, discouraging them from venturing near your plants. Sprinkle black pepper around your garden, particularly near trouble spots.

This simple method is safe for plants and poses no harm to beneficial insects. By incorporating black pepper into your garden care routine, you create a natural barrier against unwelcome visitors.

13. Rosemary

© Better Homes & Gardens

Rosemary, with its woody and aromatic scent, is more than just a culinary herb. Its fragrance is a natural deterrent for squirrels and chipmunks, making it a valuable addition to your garden. Plant rosemary around your garden or use its essential oil for a more concentrated effect.

Not only does rosemary repel critters, but it also attracts pollinators, enhancing your garden’s ecosystem. Enjoy the dual benefits of this herb as it protects your plants and enriches your garden’s aroma.

14. Cloves

© Dr. Killigan’s

Cloves, with their warm and spicy aroma, are disliked by many garden critters. Their strong fragrance confuses the sensitive noses of squirrels and chipmunks, deterring them from your garden. Place whole cloves around your plants or use clove oil for a more potent effect.

This natural method not only protects your garden but also adds an inviting aroma to your outdoor space. Cloves are an excellent choice for those seeking a fragrant yet effective solution to garden pests.

15. Citrus Peels

© Martha Stewart

Citrus peels, with their sharp and zesty scent, act as a natural deterrent to garden pests. The fragrance is overwhelming to squirrels and chipmunks, encouraging them to seek food elsewhere. Scatter citrus peels around your plants, or place them near problem areas in your garden.

In addition to repelling critters, citrus peels enrich the soil as they decompose, providing essential nutrients for your plants. This eco-friendly approach offers a dual benefit for gardeners seeking natural solutions.

16. Lemon Balm

© Epic Gardening

Lemon balm, with its citrusy and refreshing scent, is a favorite among gardeners looking to deter unwelcome visitors. Its fragrance is unappealing to squirrels and chipmunks, keeping them away from your plants. Plant lemon balm around your garden or crush the leaves to release more aroma.

This versatile herb not only protects your garden but also attracts pollinators, enhancing biodiversity. Lemon balm is an excellent choice for those seeking a fragrant and effective pest deterrent.

17. Patchouli

© Grampa’s Garden

Patchouli, often associated with incense and perfumes, is a powerful scent that repels garden critters. Its earthy and musky aroma is overwhelming to squirrels and chipmunks, discouraging them from approaching your plants. Use patchouli oil to create a barrier by applying it to cotton balls and placing them strategically in your garden.

This natural method is not only effective but adds a unique fragrance to your outdoor space. Embrace patchouli as a part of your garden care routine to deter unwelcome visitors.

18. Citronella

© Bonnie Plants

Citronella, commonly used in mosquito repellents, is equally effective against garden pests. Its lemony scent is unpleasant to squirrels and chipmunks, deterring them from your garden. Plant citronella around your garden or use citronella oil for a more targeted approach.

In addition to keeping critters at bay, citronella adds a refreshing aroma to your garden and can help reduce mosquito activity. Incorporate citronella into your garden strategy for a multi-purpose pest deterrent.

19. Chili Powder

© Week

Chili powder, with its fiery heat and potent aroma, serves as a strong repellent for garden pests. The capsaicin in chili powder irritates the sensitive noses of squirrels and chipmunks, discouraging them from invading your garden. Sprinkle chili powder around your plants to create a spicy barrier.

This natural method is both effective and eco-friendly, ensuring your garden remains safe for beneficial insects. Keep unwelcome visitors at bay by incorporating chili powder into your garden care routine.

20. Bay Leaves

© Arrow Exterminators

Bay leaves, known for their subtle yet distinct aroma, act as a natural deterrent for garden critters. Their fragrance is overwhelming to squirrels and chipmunks, keeping them away from your plants. Scatter bay leaves around your garden or use bay leaf essential oil for a more potent effect.

This method not only protects your plants but also adds a pleasant aroma to your outdoor space. Bay leaves are an excellent choice for those seeking a fragrant and effective solution to garden pests.

21. Thyme

© Martha Stewart

Thyme, with its robust and earthy scent, is more than a culinary herb; it’s a natural pest deterrent. Its fragrance is unappealing to squirrels and chipmunks, discouraging them from venturing near your garden. Plant thyme around your garden or use its essential oil to enhance its repellent properties.

In addition to deterring critters, thyme attracts pollinators, supporting your garden’s ecosystem. Enjoy the dual benefits of this herb as it protects your plants and enriches your garden’s aroma.

22. Marigold

© Homes and Gardens

Marigold, with its bright blooms and distinctive scent, is a natural deterrent for garden pests. Its fragrance is unappealing to squirrels and chipmunks, discouraging them from entering your garden. Plant marigolds around your garden perimeter to create a colorful and protective barrier.

In addition to repelling critters, marigolds attract pollinators and beneficial insects, enhancing your garden’s biodiversity. Marigolds are an excellent choice for those seeking a vibrant and effective pest deterrent.