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What is a smell a cat hates?

by Dr. Nara Crockett
What is a smell a cat hates?

Do you have a problem with cats invading your garden or yard? Have you ever wondered why cats seem to stay away from certain plants or flowers? It turns out that cats have a natural aversion to certain smells, and these scents can be used to create a natural deterrent. In particular, cats hate the smell of rue, lavender, marigolds, pennyroyal, Coleus canina, and lemon thyme. So if you have a problem with curious kitties or strays in your yard, consider planting these specimens throughout your garden or along the edges of flowerbeds to serve as a natural cat deterrent.

In this blog post, we will discuss what is a smell a cat hates, what cats are afraid of the most, what smell makes cats go crazy, and why cats are naturally scared of certain smells. We will also explore the strange phenomenon of cats being scared of cucumbers and other vegetables.

Cats are naturally curious creatures, but certain smells can drive them away. This is because cats have an incredibly sensitive sense of smell and when they detect certain odors, they feel a sense of danger. Cats are known to be scared of strong odors such as rue, lavender, and marigolds. These smells are pungent and overpowering, and cats instinctively associate them with potential danger.

In addition to these strong smells, cats also hate the smell of pennyroyal, Coleus canina, and lemon thyme. These smells are much more subtle, and cats may not recognize them as dangerous, but instead, they associate them with negative experiences. Cats are particularly sensitive to these smells, and even the slightest whiff can be enough to send them running for the hills.

Cats are also scared of certain vegetables, such as cucumbers. This is a strange phenomenon, as cats are actually not scared of cucumbers in and of themselves. Instead, cats associate the shape and sound of cucumbers with potential predators, and this scares them away.

So if you have a problem with cats in your garden or yard, planting certain smells and vegetables could be the solution. By understanding what smell a cat hates and why cats are afraid of certain vegetables, you can use these natural deterrents to keep cats away from your garden.

What is a smell a cat hates?

Cats are known for their sensitive noses and are very particular about smells. It turns out that some smells are particularly unappealing to cats and can even be used to deter them from certain areas. If you have ever noticed that your cat shies away from certain plants or other areas, it is likely that they are avoiding a smell that they find unpleasant.

In particular, cats hate the smell of rue, lavender, marigolds, pennyroyal, Coleus canina, and lemon thyme. So if you have a problem with curious kitties or strays in your yard, consider planting these specimens throughout your garden or along the edges of flowerbeds to serve as a natural cat deterrent (11, 14).

Why do cats hate these smells?

The answer lies in the way that cats use their sense of smell. Cats have a highly developed sense of smell and use it to stay safe and protect their territory. By recognizing smells that are unfamiliar or unpleasant, cats can avoid potential dangers.

These particular smells are unpleasant to cats because they contain compounds that are naturally repellent. For example, rue contains derivatives of thujone, a natural insect repellent, while lavender and pennyroyal contain compounds that have been used for centuries as natural insect repellents. Marigolds and Coleus canina contain compounds called pyrethrins that are used in commercial insect repellents (1, 5, 11).

The lemon thyme plant, meanwhile, contains a compound called citral, which is a natural anti-fungal. While this compound is beneficial to humans, to cats it is an irritant and causes them to avoid the area (1).

Do cats hate all smells?

No, cats are not repelled by every smell. In fact, cats are drawn to certain scents, such as those associated with their food. They also enjoy certain scents that are associated with their owners, such as the scent of their shampoo or perfume. Cats may also be attracted to certain fragrances, such as those found in essential oils or candles.

Can cats be trained to like a particular smell?

Yes, cats can be trained to like or dislike specific smells. This is often done by associating the smell with a positive experience, such as offering a treat when the cat smells a particular scent. Over time, the cat will become more comfortable with the scent and may even begin to seek it out.

Are there any other ways to deter cats?

In addition to using scents to deter cats, there are a variety of other methods that can be used. These include using motion-activated sprinklers, which spritz water at the cat when it enters the area, or installing fences or barriers to keep cats out of certain areas. You can also try using repellents, such as those made with citrus or other natural ingredients (14).

The smell of rue, lavender, marigolds, pennyroyal, Coleus canina, and lemon thyme are particularly unpleasant to cats and can be used to deter them from certain areas. Cats can also be trained to like or dislike certain smells, and there are a variety of other methods that can be used to deter cats as well.

What are cats afraid of the most?

Cats are sensitive animals with a complex inner world. While they’re often seen as aloof and independent, cats can actually be easily scared. Knowing what your cat is afraid of can help you better understand and care for them.

Common Household Appliances

In the home, cats are often scared of noisy household appliances, especially if they didn’t become accustomed to them as young kittens. Vacuum cleaners, lawnmowers, printers, washing machines and hairdryers are common culprits. Cats may become scared to the point of hiding or even trying to escape the house.

To minimize distress, try to acclimate them to the sound of these appliances by playing recordings of the noises at low levels. This way, they’ll become used to the sound and will no longer be afraid.

Strangers and Other Animals

Cats can also be scared of strangers, especially if they’re not used to being around them. If you have visitors, it’s important to give the cat their own space to hide and feel safe. If possible, try to have your visitors ignore the cat at first, so they don’t become overwhelmed.

Cats can also be scared of other animals, particularly dogs. Make sure to introduce them slowly and cautiously, and always keep an eye on interactions between them.

New or Unfamiliar Environments

Cats can also be afraid of new or unfamiliar environments. If you’re taking your cat to a new place, it’s important to give them plenty of time to adjust and explore. If possible, try to give your cat a safe space to hide in, like a carrier or a room.

Thunder and Other Loud Noises

Thunder and other loud noises can also be a source of fear for cats. To help keep them calm during storms, try to keep all windows and doors closed. It can also help to give your cat a safe space to hide away in, like a closet or under a bed.

Help Your Cat Overcome Fear

If your cat is scared, there are several things you can do to help. Giving them a safe space to hide, such as a carrier or a room, can help them feel more secure. You can also try to distract them with toys or treats.

It’s also important to give your cat plenty of attention and affection. Regularly petting and grooming them can help them feel more secure, and playtime is a great way to get them out of their shell.

Overall, cats can be scared of many things, from loud noises to unfamiliar environments. By understanding what your cat is scared of, you can better help them cope and feel secure. With the right care and attention, you can help your cat overcome their fear and thrive.

What smell makes cats go crazy?

Cats have an amazing sense of smell, and certain smells can trigger an intense reaction in them. The most popular and well-known is catnip, but there are also other scents that can make cats go wild. In this article, we’ll discuss some of the herbs and plants that cats love to sniff and explore what makes each of them so special.

Catnip

Catnip, part of the mint family, is a herb that is known to stimulate cats in a very specific way. When cats smell this plant, they often experience an intense reaction that has been compared to a “high” or a trance. This reaction is caused by a chemical in the plant called nepetalactone, which triggers an intense reaction in cats when inhaled.

The reaction to catnip is believed to be genetic, so not all cats will react in the same way. Some cats may become more active or playful, while others may become more relaxed and mellow. The reaction usually lasts for about 10 minutes, and cats usually won’t react to the same plant again for at least an hour.

Silver Vine

Silver vine is another plant that cats love to sniff. This plant, which is native to East Asia, is closely related to catnip, but it has a different active ingredient. Silver vine contains two chemical compounds, actinidine and dihydroactinidiolide, which are thought to be more stimulating than nepetalactone.

When cats smell silver vine, they often display similar reactions to catnip, such as rolling around on the floor, drooling, and meowing. However, the reaction tends to last longer and be more intense than the reaction to catnip.

Valerian

Valerian is another herb that cats adore. This plant, which is native to Europe and Asia, has a strong and pungent smell that cats find irresistible. The active ingredient in valerian is actinidine, which is similar to the active ingredient in silver vine.

When cats smell valerian, they often become more energetic and playful. Some cats may even become hyperactive, running around and jumping high into the air. This reaction usually lasts for around 15 minutes, after which the cat will usually become relaxed and mellow.

Other Herbs

In addition to these three herbs, there are other herbs and plants that cats find appealing. Some of the most popular include chamomile, lavender, jasmine, and rosemary. All of these herbs have strong scents that cats find intriguing.

It’s important to note that some of these herbs can be dangerous if ingested. If you’re planning to give your cat any of these herbs, make sure to consult with your veterinarian first.

Cats have an incredible sense of smell and can be easily stimulated by certain scents. Catnip, silver vine, and valerian are some of the most popular herbs for cats, and all of them can trigger an intense reaction. However, it’s important to remember that cats may react differently to each of these herbs, so it’s best to consult with your veterinarian before giving your cat any of them.

What are cats naturally scared of?

When it comes to cats, it can be difficult to know what they are naturally scared of. Cats are mysterious creatures, and their behavior can often be unpredictable. However, there are certain things that cats are known to shy away from, and understanding these can help us better care for our feline friends.

Snakes

One of the most common things cats are instinctively afraid of is snakes. This is because cats have an instinctive fear of snakes that has been hard-wired into their genetic makeup. According to Con Slobodchikoff, an animal behaviorist and author of “Chasing Doctor Dolittle: Learning the Language of Animals,” cats are hard-wired to avoid snakes. This fear is so deeply ingrained that even objects that resemble snakes, such as cucumbers, can trigger a cat’s instinctive fear of snakes.

Loud Noises

Cats are also known to be afraid of loud noises, such as thunder and fireworks. This is because loud noises can startle cats, and they may not have time to react properly. This can cause them to become stressed and scared. To reduce a cat’s fear of loud noises, it is important to keep them in an area where they feel safe and secure. It is also important to provide them with plenty of hiding spots, as this can help them feel more secure.

Strangers

Cats are also known to be afraid of strangers, especially if they are unfamiliar with the person. This is because cats are naturally wary of people they don’t know and may view them as a potential threat. To reduce a cat’s fear of strangers, it is important to introduce them to new people slowly and in a controlled environment. It is also important to provide plenty of positive reinforcement, such as treats or petting, when the cat is around new people. This can help them associate strangers with positive experiences.

Other Animals

Cats may also be afraid of other animals, such as dogs, that they are not familiar with. This is because cats are naturally territorial and view other animals as a potential threat. To reduce a cat’s fear of other animals, it is important to introduce them slowly and in a controlled environment. It is also important to provide plenty of positive reinforcement when the cat is around other animals.

Heightened Senses

Cats also have heightened senses which can make them more skittish than other animals. This includes their sense of smell, hearing, and vision. Cats may become scared when they smell something unfamiliar, or when they hear a loud noise, or when they see something that looks unfamiliar. To reduce a cat’s fear of these heightened senses, it is important to provide them with a safe, secure environment.

Understanding what cats are naturally scared of can help us better care for our feline friends. Cats are naturally afraid of snakes, loud noises, strangers, other animals, and their heightened senses. To reduce a cat’s fear of these things, it is important to provide them with a safe, secure environment and to introduce them to new things slowly and in a controlled environment. By understanding what cats are naturally scared of, we can better care for our cats and help them feel safe and secure.

Why is cat scared of cucumber?

Cats are known for their curious personalities and love of exploration. But when it comes to cucumbers, many felines show signs of fear and distress. That’s why it’s important to understand why cats are scared of cucumbers and how to keep your pet safe.

Cats react because cucumbers look like snakes. To a feline’s eyes a cucumber can look similar enough to the pesky reptile to elicit their fear response and make them jump a few feet in the air to avoid being bitten. This fear is rooted in the evolutionary need to protect themselves from potential predators, as snakes are a common threat to cats in the wild.

Cucumber Shape and Scent

The shape and size of a cucumber can also be threatening to cats. Cucumbers are long, slim, and have a dark green color, which can look similar to a snake. Additionally, the cucumber’s scent can be off-putting to cats. The smell of cucumbers is unfamiliar to cats and can set off their “fight or flight” response.

Startle Response

Cats are also known to have a startle response to unexpected occurrences. Even if the cucumber doesn’t resemble a snake, if it is placed in front of a cat suddenly, it can cause them to jump with fear. This startle response is an involuntary reaction that is hard-wired into cats’ brains.

How to Keep Your Cat Safe

Given the fear cats can have of cucumbers, it’s important to take precautions to keep your pet safe. Here are a few tips to help keep your cat away from cucumbers:

1. Avoid Placing Cucumbers Where Cats Can Find Them

If you’re planning to keep cucumbers in your home, make sure to store them in a place where cats can’t get to them. This will help minimize the chances of your cat encountering a cucumber and becoming scared.

2. Don’t Tease Your Cat With Cucumbers

It may be tempting to use cucumbers to tease or scare your cat, but this can be dangerous. Not only can it cause your cat to become scared, but it can also lead to more serious issues such as injury or aggression.

3. Introduce Cucumbers Gradually

If you’re trying to introduce cucumbers to your cat, it’s important to do it gradually. Start by giving your cat a small piece of cucumber, and then gradually increase the size over time. This will help build up your cat’s tolerance and make them less scared of cucumbers.

Cats can be scared of cucumbers for a variety of reasons, from the shape and scent to the startle response. It’s important to take steps to keep your cat safe, such as avoiding placing cucumbers where cats can find them, not teasing your cat with cucumbers, and introducing cucumbers gradually. With these tips, you can help ensure your cat’s safety and reduce their fear of cucumbers.


We can all agree that cats are mysterious and fascinating creatures. They can be both loving companions and mischievous explorers. The key to keeping cats away from unwanted areas is understanding what smells cats hate. By understanding which smells cats hate, you can plant natural cat deterrents in your garden or flowerbeds to ward off curious cats and strays. This can be a great way to keep your garden safe without having to resort to harmful or potentially dangerous chemical solutions.

We hope this article has been informative and helpful in understanding what smells cats hate. Remember that these plants should be planted along the edges of flowerbeds or gardens to create a natural cat deterrent. Be sure to do your research before planting to ensure the plants are safe and not toxic to your cats. With the proper knowledge and plant selection, you can create a safe and cat-free area in your garden.

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