The 8 Best Cat Repellents

Updated November 27, 2017 by Daniel Imperiale

8 Best Cat Repellents
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We spent 42 hours on research, videography, and editing, to review the top choices for this wiki. If you need a deterrent for unwanted felines in your garden, one of the cat repellents on our list will have them scooting away from your property in no time at all. We've included nontoxic chemical formulas, sonic and ultrasonic devices, and even a water blaster that will scare off just about anything that moves. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best cat repellent on Amazon.

8. Aspectek Yard Sentinel Original

The Aspectek Yard Sentinel Original can scare off everything from cats and dogs to skunks, raccoons, and even bears. It is easy to install, and has a modest, 50-foot motion detection range, so it is ideal for mid-sized properties.
  • works on battery power
  • can double as an intruder alarm
  • trips too easily on high settings
Brand Aspectek
Model HR131
Weight 1.5 pounds
Rating 3.7 / 5.0

7. Natural Armor Rosemary

The concentrated formula of the Natural Armor Rosemary will dilute into roughly two gallons of ready-to-use spray that can cover approximately 8,000 square feet. It's available in any one of four pleasing scents, and it doesn't wash away easily in rainstorms.
  • completely biodegradable
  • money-back guarantee
  • some smells are less effective
Brand Natural Armor
Weight 2.8 pounds
Rating 4.0 / 5.0

6. Messina Wildlife Stopper

With a proprietary mixture of humane and organic ingredients, the Messina Wildlife Stopper is a simple solution to feral felines that won't offend your own nose. It works by a combination of its aroma, taste, and feel, and it's safe to use around edible gardens.
  • useful indoors and out
  • won't burn turf
  • rain reduces effectiveness
Brand Messina Wildlife
Model CA-U-128
Weight 8.4 pounds
Rating 4.0 / 5.0

5. Volador Humane Ultrasonic

The Volador Humane Ultrasonic is an effective and compact option for keeping unwelcome guests out of smaller yards and gardens. It runs predominantly on solar power, but also has a AAA battery backup system to get it through longer, busier nights.
  • can be staked or mounted
  • 26-foot motion detection range
  • some frequencies reach human ears
Brand Volador
Model pending
Weight 13.6 ounces
Rating 3.9 / 5.0

4. Hoont Cobra Blaster

The Hoont Cobra Blaster uses a powerful, yet humane, water jet to shoo away unwanted cats and other intruders. All you have to do to set it up is insert the stake into the ground and attach a hose. When its motion sensor detects a critter, the stream opens.
  • sprayer is fully adjustable
  • up to a 30-foot range
  • lets out 5-second bursts
Brand Hoont
Model pending
Weight 1.7 pounds
Rating 3.8 / 5.0

3. Hoont Motion Activated

The Hoont Motion Activated utilizes a pair of speakers to put out one of three different ultrasonic frequencies, the intensity of which you control. You can also set the unit's sensitivity, so less intrusive bodies, like butterflies and birds, don't drain your batteries.
  • bright led lights help scare pests
  • charges by solar power
  • hard plastic construction
Brand Hoont
Model pending
Weight 12.6 ounces
Rating 4.8 / 5.0

2. Pest Soldier Nighttime

If you need a device that you can set up and immediately disregard, the Pest Soldier Nighttime draws all of its power from the sun and operates with next to no maintenance. Its glowing eye gives unwanted animals the sense that they're being watched, and scares them off.
  • comes in a two-pack
  • works up to 500 yards away
  • ideal for protecting gardens
Brand Pest Soldier
Model pending
Weight 4.8 ounces
Rating 5.0 / 5.0

1. Aspectek Yard sentinel

The Aspectek Yard sentinel takes the company's most comprehensive pest control technology and packages it with the ability to run on AC power, drawing from the batteries of an RV or a boat to keep an assortment of critters at bay.
  • key fob included
  • multiple mounting options
  • weatherproof sealing
Brand Aspectek
Model HR1371
Weight 2.4 pounds
Rating 4.8 / 5.0

A Brief History Of The Common Cat

Human beings began the process of domesticating dogs approximately 15,000 years ago. The animal that would come to be known broadly as canis lupus familiaris is the oldest known example of a creature intentionally domesticated by mankind. Horses were not domesticated for almost another 10,000 years, for reference.

Anyone who has ever owned or is otherwise intimately familiar with cats, on the other hand, will not be the least bit surprised to know that cats were never fully domesticated by humans. Rather, cats chose to domesticate themselves. Those who know cats well will tell you that ironic quotation marks around the word "domesticate" may be necessary when it comes to discussing this decidedly odd animal that we now call felis catus.

Cats descended from a member of the broader felis genus known as the African Wildcat, an animal that remains not only extant but has a Least Concern status in the conservation community. Ostensibly, domestic cats first appear in Egyptian arts and artifacts dating back some 4,000 years, though other archeological evidence points to potential domestic human-cat existence several thousand years before this in areas as divergent as Cyprus and China.

Cats came to be revered in many cultures, including Ancient Egypt, by many early Muslims, and even by many Norseman -- the goddess Freyja, namesake of the weekday Friday, was often depicted riding in a chariot drawn by cats. While domestic house cats remain wildly popular as pets and as cultural memes in the modern world, feral cats can cause myriad issues. Cats are excellent hunters, killing as many as three billion or more birds and as many as 20 billion mammals annually in the United States alone. These figures seem staggering until one realizes that there are an estimated 80 million feral cats prowling the alleys, forests, and suburbs of America.

Not only are stray and feral cats a threat to wildlife, but they can be both a nuisance and a hazard for humans as well, overturning trash cans and spreading garbage, making noise while yowling or fighting, spreading certain diseases and parasites, and even attacking people, with children at particular risk.

Fortunately, while humans may never be able to fully master and domesticate this unique creature, we do have many ways of deterring cats from entering our property by using cat repellents.

The Olfactory Approach To Cat Repelling

There are two primary types of scent-based cat repellent formulas, and they can be broadly referred to as the pepper approach, or the citrus approach.

Many cat repellents use ingredients derived from black and red peppers, especially the powerful natural compound capsaicin, which is found on some of the hottest chili peppers. While enjoyable (for some humans) in foods in smaller amounts, capsaicin is a powerful irritant in higher doses such as those found in repellents, and can bother both the nasal passages and mouths of animals that come into contact with it so acutely that they will not only flee, but will potentiality never return to the source of their discomfort.

These repellents are usually found in pellet or granular form, perfect for creating a barrier line around your yard, garden, or other areas of your property. (These repellents are also effective for other animals, like skunks and raccoons.)

Citrus based cat repellents are usually found in liquid form, and are perfect for mixing in with the soil of a flower bed or garden that unwanted cats are using as a litter box or where they stalk harmless prey. Citrus repellents are a good choice for use around humans -- especially children -- as they are not nearly as irritating as pepper-based formulas should they come into contact with a person.

The Technological Take On Cat Repellents

Aside from the "biological warfare" take on repelling stray and feral cats, many devices exist that are capable or scaring away feline pests though the use of sound, light, or both. These units feature infrared detectors that will trigger ultrasonic noise when an animal draws near. The sounds they emit are too high in frequency for a human to hear, yet are unbearable for an animal, and apt to send them scurrying from your property.

Add in the bright, flashing strobe light that most units feature and you will equip your property with a two-pronged approach to keeping cats away. Note that while at first blush you might think that the longer the detection range of a unit, the better, in fact a cat repellent with a range of only twenty five feet or so may be better than one that "watches" an area reaching out much farther. If your yard is small, there is no need to also be patrolling the neighbors yard, for example, especially if they have dogs or cats (or kids) that are allowed outside.

You might want to consider a unit with a strobe light that can be turned off at night, however. While it might seem ironic to switch a light off after darkness, a time when it might be most effective, you have to balance the two-pronged approach (sound and light, e.g.) to repelling cats against interfering with your own sleep and/or the comfort of your human neighbors. The light will still be effective during the dusk and into the evening, and you can simply switch it off before bedtime.

And, as with the scent-based repellents, note that these units also work well at keeping away other animals.

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Last updated on November 27, 2017 by Daniel Imperiale

Daniel is a writer, actor, and director living in Los Angeles, CA. He spent a large portion of his 20s roaming the country in search of new experiences, taking on odd jobs in the strangest places, studying at incredible schools, and making art with empathy and curiosity.

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