Home Remedies for Toothache

11 Home Remedies for Cockroaches to Use in Home & Fridge 2020

There are multiple home remedies that you can use to get rid of cockroaches. In this aritcles, we have listed 11 best home remedies for cockroaches

here are 11 home remedies for cockroaches to use in home & fridge 

Home Remedies for Cockroaches in Fridge 2020

#11. Homemade Liquid for Cockroaches

Eucalyptus oil repels cockroaches. The spray prepared with eucalyptus is beneficial to keep cockroaches away. The oil is chemical free and not harmful for humans.

How to use

  • Take 150 ml of water and mix 3-4 drops of liquid soap(washing soap for utensils), 10 drops of tea tree oil and 10 drops of eucalyptus oil
  • Mix them well and transfer into a spray bottle
  • Shake well and spray around the fridge, beneath the fridge, and inside the fridge

Note: You can use the homemade liquid even inside the fridge after removing all the stuff.

Cockroach Killer Home Remedies

#1. Diatomaceous Earth as Home Remedy

Diatomaceous earth is fine dust made of diatoms which has silicon dioxide shells. The fine dust absorbs fats and oils from the outer layer of the hard shell that covers cockroaches and other pests.

The tiny particles of fine dust have abrasive edges that further break the shell down. As result cockroaches or pests are unable to retain moisture, they dehydrate and die.

How to use

  • Sprinkle a generous amount of powder in the cockroach-infested areas
  • Blow the dust using bulb puff into the crevices where cockroaches may be hiding including cracks and open space indoors
  • Follow the above process once per day for best results
  • Optional: You can add little sugar to this powder to attracts insects


  • Use only food-grade diatomaceous earth which is nontoxic to humans and pets
  • Do not sprinkle in the wet areas else the earth will be ineffective
  • If you are using insect-grade diatomaceous earth, wear a dust mask, gloves and goggles to avoid irritating skin, eyes or lungs

#2. Baking Soda and Sugar to Keep Cockroach Away

Baking Soda

The baking soda is poisonous which produces gas after reacting with water. Cockroaches are attracted by sugar smell and consume the baking soda.

The baking soda mixes with stomach acids and releases carbon dioxide rapidly. The rapid release of carbon dioxide destroys the internal organs and finally kills them.

How to use

  • Mix baking soda and sugar in an equal ratio
  • Sprinkle the mix in the cockroach-infested areas
  • Follow the process as many times as required

#3. Boric Acid as Home Remedy for Cockroach

Boric acid is an inorganic insecticide that has higher concentrations of boron which make difficult for cockroaches to eat or step around.

Boric acid is not only toxic but has a positive electrostatic charge which causes powder particles to stick to the bodies of cockroaches.

The slow-acting property of acid allows time for the cockroaches to carry the poisonous powder back to their nests and infect other cockroaches.

When cockroaches ingest the boric acid the cellular lining of their stomach gets destroyed which finally kills them. This is the most lethal method of killing cockroaches as they have been seen developing resistance to commercial pesticides.

How to use

Procedure 1: Boric powder

  • Sprinkle a light dusting of boric acid in the cockroach-infested areas (Boric acid is not effective in the wet areas)

Procedure 2: Boric powder + milk + wheat flour

  • Mix the boric acid with milk and wheat flour.
  • Make very small balls and keep wherever you find more cockroaches
  • In 3 days cockroaches will not be there. Repeat this after every 3 months

Note: Boric acid is a hazardous chemical, hence required to be kept away from children and pets.

#4. Catnip Spray for Cockroaches

Catnip Spray

Catnip (Nepata cataria) is a perennial herb that contains the active ingredient nepetalactone. Nepetalactone has a narcotic effect on cats. Cockroaches are very sensitive to this chemical which drives them away thereby acts as a cockroach repellent.

Hence, growing catnip around your home can effectively ward off cockroaches.

Catnip spray is only beneficial to repel the cockroaches but cannot kill them. Catnip is nontoxic to both humans and pets except cats.

How to use

  • Boil a handful of fresh catnip leaves for 10 minutes in 2 cups of water
  • Allow the leaves to sit in boiling water for several minutes
  • Cool down the mixture and pour the water into the spray bottle
  • Spray this in all the cockroach-infested areas
  • Follow the process as many times till your home is completely cockroach free

#5. Silica Aerogel as Home Remedy

Silica aerogel is a desiccant that can dry out anything which comes in contact with them. Cockroach body is made up of liquid substances and has a protective coating outside their bodies that prevents moisture loss.

When the cockroaches come in contact with silica aerogel, their outer layer dries up which makes the cockroaches lose moisture and eventually die.

How to use

  • Sprinkle the mixture of sugar and silica aerogel in and around the house

#6. Bay Leaves as Home Remedy for Cockroach

Bay Leaves

Bay leaves referred as “Tej pata”. The odor of the bay leaves is unpleasant for the cockroaches and other insects. They work as a repellent but do not kills cockroaches. Aroma of the leaves is enough to keep the cockroaches away.

Bay leaves are not poisonous and act as a great repellent in avoiding the cockroaches. Thus they reduce the growth of the cockroaches and prevent their attacks and spread in the house.

How to use

  • Crush handful of bay leaves and place them in all the high-traffic areas, and all possible entry points.
  • Optional: You can use fresh leaves or dry leaves. (Powder of dry leaves releases a much stronger smell)

#7. Peppermint Oil Spray


Peppermint oil works as a good repellent for cockroaches but they cannot kill them. Cockroaches hate the smell of the peppermint oil and thereby repel the cockroaches effectively.

The oil is effective on a few cockroaches, but if you are facing a heavy cockroach infestation, then peppermint spray is not going to help you.

Peppermint oil works little slower than other home remedies but is a natural and non-toxic way of keeping your home cockroaches free over time.

How to use

  • Fill a spray bottle with water and add 20 drops of peppermint oil
  • Spray the mixture in all the corners and the places where you suspect cockroaches

#8. Cedar as Remedy for Cockroach


The essential oil thujone present in cedar has insect repelling properties. The oil not only repels cockroaches but also repels termites, moths and carpet beetles.

The cedar balls are also helpful in preventing attacks of demits and bed bugs and can be effectively used to remove pests out of your home.

How to use

  • Place cedar blocks, chips or balls around your kitchen, inside the cabinets, cupboards and other cockroach affected areas
  • Replace the pieces every three weeks

#9. Listerine Spray

Listerine Spray

The antiseptic properties of Listerine existing in mouthwash can be used to disinfect your home. The essential oils present in Listerine spray helps to get rid of cockroaches fast.

Listerine contains menthol which is most effective in repelling and killing cockroaches compared to other essential oils.

How to use

  • Mix 100-120g of Listerine with 3.5 to 4 liters of water and spray around cockroach-infested areas
  • Follow the process as many times as required

#10. Lemon Peel or Lemon Juice

Lemon Juice

The anti-pathogenic properties of lemon and other citrus fruits will keep the cockroaches away. Lemon contains citric acid and cockroaches can’t stand the citric smell hence lemon juice works as cockroach repellent.

How to use

Procedure 1: Lemon juice

  • Add lemon juice to the water
  • Use the water for mopping floors, kitchen tops, and bathroom cabinets and the other places where you have noticed cockroaches
  • Follow the process as many times as required

Procedure 2: Lemon peels

  • Grind up lemon peels and leave them in areas where you have noticed cockroaches


You can kill cockroaches using the above-mentioned home remedies and get rid of them permanently. The remedies can be prepared easily and are chemical free.