Ultrasonic cat repellent | Keep cats out of your garden | Cat deterrent

Ultrasonic cat repellent

Ultrasonic cat deterrents are safe cheap solution to stopping cats pooping in your garden and come in various guises:

  • Main power
  • Battery powered
  • Solar/ battery-powered

However they all work in the same way. They have a motion or infra-red heat detector that when triggered emits a high pitch noise inaudible to the human ear (if you can hear it the settings can be changed) that either scares the cat or just makes it uncomfortable to be around. If they don’t detect any motion they turn off after about 20 seconds saving battery life.

Reviews of Ultrasonic repellers

How good are ultrasonic repellers?

Cats are creatures of habit and if there habit is to use your garden as a toilet then it needs to be broken and this takes time. Unfortunately not all cats are the same! Some are old, deaf, belligerent or just well hard and not scared of anything… so this can take anything from 3 days to 3 months to stop their vandalism of your garden.

A sad fact of ultrasonic repellent is that they are not discriminatory… They will also scare / upset your own pets so unless you want a total cat free area they are not suitable for pet owners.

What is the best way to keep cats out of your garden?

A Sonic cat repeller is a cheap affordable cat deterrent better than gels and sprays but not as good as more expensive water sprayers. If you have tried the gels and sprays and not found them successful an ultrasonic cat repellent is a great addition to your arsenal. Many successful garden owners use both sonic devises and sprays to get a cat free garden or yard.

More benefits of sonic cat scarers.

Not only do they keep cats away but they are also supposed to stop:

  • Dogs
  • Foxes
  • Squirrels
  • Rodents
  • Insects (damn big swarms to trigger the device!)
  • Roaches (again how do they set it off?)


I myself owned one of these some years ago to keep cats out of my back yard, which was pebbled and nearly impossible to sort cat poo from pebbles. I positioned it to cover the whole yard and never had any trouble from cats since. Even though I was 35ish I could not hear or tell if the ultrasonic cat scarer was on or not now at 50 there is no way my hearing would pick up the sound of one of these even if it was set wrong. I do recommend a sonic cat repeller.

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Mothballs Cat Repellent | WARNING

Will mothballs keep cats away? This is a commonly asked question and I believe the answer is yes but please do not use them, WARNING they are toxic.

Mothballs are extremely toxic! They do not discriminate between cats and any other wildlife in your garden including CHILDREN.

Not only are they toxic to animals they will also dissolve into the soil making that toxic, which will kill plants or transfer toxins to vegetables that you will eat!

This is what the United States Environment Agency has to say about Naphthalene, the main ingredient of mothballs

Naphthalene is used in the production of phthalic anhydride; it is also used in mothballs.  Acute (short-term) exposure of humans to naphthalene by inhalation, ingestion, and dermal contact is associated with hemolytic anemia, damage to the liver, and neurological damage.  Cataracts have also been reported in workers acutely exposed to naphthalene by inhalation and ingestion.  Chronic (long-term) exposure of workers and rodents to naphthalene has been reported to cause cataracts and damage to the retina.  Hemolytic anemia has been reported in infants born to mothers who “sniffed” and ingested naphthalene (as mothballs) during pregnancy.  http://www.epa.gov/ttnatw01/hlthef/naphthal.html

If mothballs do this to human they are lethal to other small animals.

Please try these other Cat repellents first.

How to stop cats pooping in garden | Cat Deterrent

How to stop cats pooping in your garden

How to keep cats out of gardenI remember when my flower beds seemed to contain more cat poo than soil and my garden had a smell not usually associated with flowers. For me it was a revolting daily ritual of cleaning up after cats. Unfortunately but lucky for them I never caught them doing their business, so I couldn’t teach them the error of their ways.

Luckily you don’t have to catch the cats to stop them from pooping in your garden. Below are various ways types of cat repellents used to stop cats from visiting your garden. Unfortunately there isn’t one definitive way that will stop all cats. One technique will work extremely well for one cat but not at all for others.

Don’t get disheartened when one doesn’t work, try another. I would suggest you experiment with different cat repellents until you find one that works, or more likely one or more repellents used in conjunction together.


Cat Repellent Using Smell

Cat repellent sprays are suitable for owners of their own pets as you can target specific areas that you want to be cat free, or for training your own cat to avoid certain areas.

There are a number of natural and man-made repellents that use smell cats find irritating and therefore avoid.

They come in different forms and are applied in a variety of ways. The main ones being:

  • Sprays
  • Powders
  • Gels / Pellets

More information about using smell to stop cats pooping in your garden

Cat Repellent Water Spray

Not suitable if you own a cat! Repellent water sprays are suitable for targeting gardens, yards, paths, patios etc. or areas where your own pet never goes. You don’t want to scare your own cat!

A well-known fact is that cats hate water… so this is going to work most of the time!

Cat water sprays are triggered by a motion detector, when the cat is detected a powerful spray is automatically triggered and fired at the offending cat. Very easy to use!

I’ve not used them myself but my research shows that these are among the most effective way to stop cats from pooing in your garden.

While I am a cat lover I’m sure I would get a perverse sense of satisfaction knowing that cats trying to poop in the flower beds was getting a soaking.

Plants That Repel Cats

Can be used if you have your own cat.

Plants that repel cats are a natural defense  and can be planted along your garden border or near areas you want cat free.

One for the gardeners a natural and pleasing way to discourage cats from your garden is to use plants and herbs that cats find repugnant and so will avoid the area close to these plants.

Spikes and Chicken Wire

Suitable for any garden and if you have a cat of your own.

Plastic spikes along the top of fences, spike mats and chicken wire; all these can be used to discourage cats from the garden. While they are not designed to harm cats they certainly make them feel uncomfortable while they are walking on them.

Chicken wire can be lade down over areas where cats poo making that patch very difficult to dig up after their business is done. Again cats will move on to easier patches of dirt.

Ultrasonic Cat Deterrent.

Suitable for any area but not if you have pets of your own that will be made uncomfortable with this sonic deterrent.

I totally recommend an ultrasonic cat repellent as I have used one before and it worked!

These are positioned so the motion detector in them covers your garden and when a cat comes in range an ultrasonic noise inaudible to the human ear is triggered making your garden a very uncomfortable place for a cat to have a relaxing poop.

More information on ultrasonic cat deterrents

General tips

Cat repellents work but there are some things you can do that will make them more successful at stopping cats pooping in your garden

  1. Remove cat poop as soon as you find it. Cats are creatures of habit and return to the same spots again and again. If you leave their poo in place it means that the area is safe to use again.
  2. If you can, wash the area with soapy water to get rid of the cat scent and spray with a cat repellent in that area.

While these tips are unlikely to work on their own, they will increase the likelihood of your chosen cat repellent from working.


Here at StopUpest.com I have found that Cats are creatures of habit. Your aim is to make your garden an uncomfortable place for a cat to poop in so it moves on to a new area away from your garden. When it  gets into the habit of using the new area it will continue to do so, however all cats are different and this can take from 3 weeks to 3 months.

I hope you find how to stop cats pooping in garden soon.

Homemade Cat repellent Sprays

Homemade Cat repellent Sprays

How to keep cats out of gardenSave money and save the environment while still keeping cats out of your garden. Homemade cat deterrent sprays are a cheap natural 1st step to having a cat free garden or training your pet.

Making your own spray ensures that you know exactly what is in it, that way you know it is environmentally friendly and you can also make it smell nice for your own nose.

I have discovered that one cat deterrent can work extremely well for one cat but not for another. So I have compiled a few recipes below, try them all until you find one that works for you.

If you know of any other home made cat deterrent sprays that work please let us know in the comments below. Thank you.

The first recipes are very simple to make.

Lavender essential oil.

Add 5 to 10 drops of lavender essential oil to one pint of water. Put in a spray bottle and shake well…Spray the area you wish cats to avoid.

Peppermint essential oil.

Essential oils Add 5 to 10 drops of peppermint essential oil to one pint of water. Put in a spray bottle and shake well…Spray the area you wish cats to avoid.

Orange essential oil.

Add 5 to 10 drops of orange essential oil to one pint of water. Put in a spray bottle and shake well…Spray the area you wish cats to avoid.

Lemon and Eucalyptus.

Add 5 drops of lemon oil or the zest of one lemon and 10 drops of eucalyptus oil to one pint of water. Put in a spray bottle and shake well…Spray the area you wish cats to avoid

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Olbas Oil and Witch Hazel.

Add about 20 drops of Olbas Oil to one pint of water. Add a generous splash of witch hazel and a few drops of washing up liquid. Put in a spray bottle and shake well…Spray the area you wish cats to avoid

Do not spray on cats!  Cats are not able to process essential oils and this spray will prove toxic if sprayed onto the cat or ingested by it.

You could soak cotton balls in the mixture and leave those out in the areas to be avoided.

The next requires a bit more work.

Cinnamon, Rosemary, and Lavender

  • Add 3 tablespoons of Cinnamon, Rosemary, and Lavender to a pint of boiling water.
  • Leave to steep for several hours
  • Strain the liquid through fine muslin or any other fine cloth (pot towel, t-shirt etc.)
  • Add ¾ cup of vinegar and 10 to 15 drops of orange essential oil.
  • Pour into a spray bottle and shake well.

Pepper spray

Homemade cat spray

Cats don’t like the smell of pepper, so this mixture is especially good deterrent to them.

  • Boil a pint of water then leave to cool for 5 mins.
  • Add 4 tablespoons of black pepper into the water. Stir to dissolve and leave to cool.

Note: be careful when adding the pepper into the water. Take care not to get any steam from the solution in your eyes, as it could act like mace and temporarily debilitate you.

When cool, place into a spray bottle and spray outdoors on the area you want cats to stay away from.


Do not spray essential oils directly onto plants as this could be detrimental to the health of your plants and herbs, but probably not in the concentration described below.

Some homemade sprays can contain essential oils or pepper which can cause actual harm to cats so use with caution.

More ways to stop cats

Get off Dog and Cat Repellent Spray Review

Get off Dog and Cat Repellent Spray Review

I have researched Rosewood Get off Dog and Cat Repellent Spray and I’ll answer the following questions for you:

  • Is it is any good?
  • What is it?
  • What does it do and how does it do it?
  • Should you use it?

Click here for more user reviews near you USA, UK

What Is Get off Repellent Spray?

Get off Repellent spray smells strongly of citrus which animals find uncomfortable to be around, making this spray one of the easiest ways to stop cats and dogs using your garden as a toilet. Just spray around the areas that you wish to discourage cats and dogs from going near.

Users use it both for keeping cats and dogs from fouling their garden and yards but also as an indoor pet trainer.

What does it do?

Cats and dogs find this spray an irritant to their senses so when they come across areas sprayed with Get Off they move on to better fresher areas.

To stop cats and dogs from repeatedly fouling your garden you have to break their toilet habit. This can take anything from 3 weeks to 3 months, but once they are in the habit of using another area they shouldn’t come back to your garden.

How does it do it?

Rosewood Get Off contains Methyl Nonyl Ketone 3.47% (a cat and dog pesticide More info here) and also citrus oils which together cats and dogs find as an irritant. They will avoid this spray and smell if possible.

If you can make cats and dogs use another area for their toilet instead of your lawn they will continue to leave your lawn and flowers alone. This may take anything from 3 weeks to 3 months… All cats and dogs are different!

Why should you use it?

Get your garden back! A very easy to use cat and dog repellent that will rid your garden and lawn from cats and dogs that think it is their toilet. As you can target specific areas with this spray it is suitable for cat and dog owners too.

However a word of warning! Do not use near ornamental ponds, or those containing fish. Do not use on edible crops.

Is it any good?

Get Off Dog and Cat Repellent Spray like all other cat and dog deterrents has mixed results, with some users having excellent results, and unfortunately other users believing it to be a waste of money and a total failure.

The downside to repellent sprays is that it does have to be re-applied periodically and after rain fall

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Would I buy Get off Dog and Cat Repellent Spray ? …Yes and no

Yes for outdoors. The better results have been from users who are trying to stop cats and dogs from using their garden as a toilet.

No for indoors.  For indoor training of pets I would try something different. This product has a strong smell that most people find repulsive (however one user uses it as an air freshener!) also the results from indoor training of pets are very low.

More ways to stop cats from your garden

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