What smell do cockroaches scare of?

Author: Ms. Amara Hand I  |  Last update: Thursday, March 12, 2026

What smells are cockroaches afraid of? Cockroaches are repelled by the smells of peppermint, eucalyptus, lavender, citronella, and cedarwood oils. These scents can be used as natural deterrents to keep them away from your home.

What smell will keep roaches away?

While peppermint essential oil is an effective cockroach repellent, there are a few other oils that are proven to be effective too. These include citronella, cinnamon, cedarwood, and tea tree. All of these essential oils are derived from plants, so they won't cause a fire.

What smell is a cockroach afraid of?

While cockroaches are fond of many foods, they have a strong dislike for the powerful scents of citrus, especially lemon. Leaving a cut lemon around the kitchen or in a fruit bowl can help to deter these pests.

What is one thing roaches hate?

Mint: Roaches dislike the smell of mint. Planting mint around your property exterior can help keep them away. You can also make a homemade roach repellent spray using mint essential oil and water.

What is a cockroaches worst enemy?

Insects and Arachnids

Strangely enough, one of the most prevalent kind of predator that cockroaches face are fellow insects! The emerald cockroach wasp, Ampulex compressa, for example, has an unusual way of preying upon cockroaches. The wasp stings the cockroach's brain, which paralyzes the cockroach.

5 Smells That Roaches Absolutely Hate (Natural Roach Repellents)

What is a cockroaches' biggest weakness?

Cockroaches are blessed with an amazing sense of smell. This is what they use when seeking food and mate but at the same time, this is also their weakness. A cockroach's sense of smell can be used to get rid of them.

What is the number one killer of roaches?

The best roach killer, based on our research, is the advion 383920 Cockroach Gel Bait; a commercial-grade roach killer set that is easy to use and lasts months after application. It can kill all sorts of cockroaches, including the American and German variety, and it's even safe to use if you have pets or kids.

Will sleeping with the light on keep cockroaches away?

Leaving the light on doesn't deter cockroaches effectively because they can navigate in low-light conditions. While they're mostly active at night, they may still come out in search of food or water. During the day, cockroaches hide in dark areas not directly exposed to light.

How do I get rid of roaches permanently?

Get Them Out!
  1. Remove clutter.
  2. Vacuum well and often. ...
  3. Wash hard washable surfaces with cleanser (ammonia and water works well).
  4. Dust out of sight spaces with boric acid powder. ...
  5. Use roach baits near hiding places like behind pictures and wall hangings, under sinks and undersides of furniture.

What air freshener do roaches hate?

Roaches hate the smell of certain essential oils like peppermint, eucalyptus, lavender, and citronella.

How to make roaches go away overnight?

Baking soda is a fast and effective way to kill roaches. When a roach ingests baking soda, the baking soda expands inside them, causing the roach to explode. Simply sprinkle baking soda on food, such as an onion, and leave it near where you've seen roaches overnight.

Do roaches hate pine sol?

Pine Sol can kill roaches on contact, though it's not a practical solution for a wide-scale infestation.

What sound do cockroaches hate?

Ultrasonic Cockroach Repellents

There are electronic devices that emit high-frequency sound waves that act as cockroach repellents. These devices emit sound in the 22-65 Khz range which is inaudible to humans but can be detected by certain pests, including cockroaches.

What is the best homemade roach repellent?

Rosemary is considered one of the best roach repellents because it's actually highly toxic to the insects. Even better, this plant can be found at your local nursery, hardware store, or plant shop and requires little water. Just make sure you place it in direct sunlight.

What smells attract roaches?

Strong Smells

Cockroaches have a keen sense of smell and are attracted to objects that have a strong and distinct odor. Two of the biggest culprits for attracting cockroaches are garbage and compost.

How often should you spray peppermint oil for roaches?

DIY spray: Spray the solution in areas prone to cockroach infestation, such as kitchen cabinets, under sinks and around appliances. Apply every few days for the best results.

What do cockroaches hate the most?

Citrus is one of the scents cockroaches are most known to hate, notably lemon and orange. Keeping a dish of lemon juice on your kitchen counter can deter these pests, as well as placing lemon peels around the home to discourage cockroaches from coming out of hiding.

Do roaches ever fully go away?

Typically, cockroaches stay away following a treatment or service, but sometimes these pests may return with a vengeance! Keep reading to learn more about recuring cockroach infestations and what you can do to prevent these pests from returning.

What is the main cause of roaches?

What causes roaches in houses and apartments? What attracts roaches to a clean house primarily consists of their basic needs: food, water, and shelter, although they are usually brought into houses and apartments on other items, such as luggage or clothing.

How do you protect yourself from cockroaches while sleeping?

How to Keep Cockroaches Away at Night
  1. Maintain a Clean and Tidy Home. ...
  2. Eliminate Food and Water Sources. ...
  3. Seal Cracks and Openings. ...
  4. Harness the Power of Natural Repellents. ...
  5. Utilize Roach Bait Traps. ...
  6. Elevate Your Sleeping Environment. ...
  7. Employ Ultraviolet (UV) Light Traps. ...
  8. Seek Professional Pest Control Services.

What are roaches afraid of?

Peppermint oil, cedarwood oil, and cypress oil are essential oils that effectively keep cockroaches at bay. Additionally, these insects hate the smell of crushed bay leaves and steer clear of coffee grounds. If you want to try a natural way to kill them, combine powdered sugar and boric acid.

Where do roaches hide during the day?

Most cockroaches hide in dark, secluded areas by day. They can be found behind furniture and appliances, as well as under refrigerators and stoves and in cupboards or cabinets. They are capable of flattening themselves in order to fit into crevices between floorboards and walls.

How do I get rid of roaches 100%?

Close up any openings to a home and maintain a vegetation-free zone to keep roaches out. Avoid foggers and instead kill roaches with diatomaceous earth, boric acid, or gel-based baits.

Do roach bombs actually work?

Many insect foggers contain pyrethrin as an active ingredient. While pyrethrins are somewhat effective against exposed flying insects such as house flies, they are seldom lethal to roaches, ants, bed bugs, spiders, silverfish, and other crawling pests.

What eats the most roaches?

Here are some of the animals that feed on roaches on a regular basis:
  • Toads and frogs.
  • Lizards, such as leopard geckos, bearded dragons, monitor lizards, iguanas and even panther chameleons.
  • Certain large species of beetles.
  • Certain kinds of parasitoid wasps.
  • Entomopathogenic fungi.

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