Natural Insect Repellents

Insect repellents are substances applied on to the surfaces, skin or clothes to prevent insects from landing or climbing on them. Synthetic repellents are more effective and long lasting than natural repellents. These repellents help to prevent and control the outbreak of insect-borne diseases like malaria, dengue fever, bubonic plague etc. Insects such as flea, fly, mosquito and tick are the common vectors for carrying these diseases. Some commonly used insect repellents are DEET, catnip oil, neem oil, essential oil of lemon eucalyptus, citronella oil, bog myrtle and permethrin.

In recent years, the use of natural insect repellents has become popular. Herbs and other plants are used as great natural remedies to keep away insects. Here are a few cheap and natural solutions to keep insects away from your home and garden.

  1. Ant Repellents
    • Vinegar: Wipe the place where you have spotted ants with a 50-50 mixture of vinegar and water. The smell of vinegar removes their scent trails and thus keeps them away.
    • Chalk/baby powder: Both chalk and baby powder contains talcum powder, which is a natural repellent. It is advised to draw a line of chalk or sprinkle some baby powder across the area where ants are entering your home.
    • Borax powder: Place a mixture of borax and sugar syrup where the ants will find it. Borax damages the digestive system of ants resulting in immediate death.
    • Coffee grounds: Sprinkle some coffee grounds in your garden around the house. This keeps ants away because of the smell.
    • Citrus Peels: Put citrus peels in hot water overnight. Then pour it around the plants where the ants are found.
    • Herbs or Spices: Using bay leaves, cayenne pepper, chilli pepper, black pepper, cinnamon, mint leaves, turmeric powder, cloves and garlic helps to repel ants from your home due to the smell.
    • Pine Oil: A mixture of pine oil and water can be used as a repellent against fire ants.
    • Sweet Fern: Scattering sweet fern repels the red ants.
    • Tansy: Planting a tansy plant outside helps to keep ants away from garbage cans.
  2. Cockroach Repellents
    • Borax powder: Mix borax and sugar in equal quantities and apply it where cockroaches are found. By consuming this mixture, the borax destroys the digestive system of the roaches resulting in death.
    • Garlic, Cayenne powder and White Onion: Add equal quantities of garlic clove, cayenne powder and white onion to a quarter of water in a pan and boil. Pour the cooled mixture into a sprayer and spray in the areas where the cockroaches are found.
    • Hedgeapple: Keeping a hedgeapple in the room repels the cockroaches.
    • Catnip: This is a natural repellent containing nepetalactone which is non-toxic. Small sachets can be left in places where roaches are found. Also a mixture of catnip and water known as catnip tea can be sprayed to keep cockroaches away from baseboards and behind counters.
    • Spray soapy water directly on cockroaches to kill them.
    • Placing non-toxic traps also repels them away.
    • Diatomaceous earth can be sprinkled in hidden areas and it is a safe alternative.
  3. Termite Repellents
    • Aloe Vera: A solution of aloe and water repels termites, when sprayed in their area of activity.
    • Castor Oil: Mix castor oil seeds, leaves and roots with water and soak it for 24 hours. Then strain the solution and spray on the affected area to repel the termites.
    • Mexican Poppy: Spraying a mixture of Mexican poppy oil and water around the infested area keeps away termites.
  4. Spider Repellents
    • Spraying a mixture of citronella oil, lavender oil, cinnamon oil, peppermint oil, citrus oil, tea tree oil and water keeps spiders away.
    • Spaying a mixture of white vinegar and coconut oil over the cobwebs repels spiders away from your home.

  5. Plant Bug Repellents
    • Cayenne Pepper and Garlic: Spraying a solution cayenne powder, garlic and water helps to keep away plant bugs from your garden.
    • Garlic: Placing a piece of garlic under the soil of indoors plants repels bugs away.
    • Lemon or Lime: Spraying lemon or lime solution over the leaves of the plant acts a good repellent.
    • Marigold: Soak chopped marigold plants in boiled water. Once it is cooled, add some liquid soap drops and spray on the aphids.
    • Plant some nasturtiums, garlic and onions around the plants, which are more, attacked by the aphids.
    • Spraying the water from boiled sweet potatoes act as a natural repellent to keep away plant bugs.
  6. Mosquito Repellents
    • Natural repellents like oil of eucalyptus concentration, soybean oil, citronella and rosemary help ward off the mosquitoes.
    • A mixture of garlic juice and water is an effective repellent as it keeps away the mosquitoes for 5-6 hours.
    • Neem oil extracted from neem tree is a natural and safe to use product.
    • Planting marigolds in your garden repels mosquitoes because of their fragrance.
    • Safe and non-toxic pheromone based mosquito traps are available now.
    • Planting Thai Lemon grass is considered to be a natural and effective mosquito repellent.

Thus, there are a large number of natural remedies available and learning these will provide freedom and relief from the adverse effects of chemical solutions.



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10. November 2016
10. November 2016
What NATURAL repellant is best to put on your skin.?

21. September 2015
21. September 2015
can you pls. send me a formulation of natural insecticidal spray probanly for house flies out of turmeric. i will appreciate it, it will help me in my thesis..than you

David Zamattia
24. July 2015
David Zamattia
24. July 2015
These are very nice alternatives to chemical based repellents we can buy from stores. The best thing about these repellents are they're natural and can be sourced out easily. All we have to do is to follow the directions on how to mix them and use them and voila, we got naturally sourced repellents.

chemicall peels
16. February 2010
chemicall peels
16. February 2010
Some great repellents which can help a lot with keeping unwanted insects from entering the home. Will definitely need to bookmark this page for future reference if i ever have problems again. Ants can be a real nightmare! Great post. Thanks

12. May 2009
12. May 2009
Natural insect repellents offer you a way to remain safe from the attack of various insects while you are working or camping outdoors. With the extensive research conducted over the years, scientists have been able to find natural insect repellent formulations that are as effective as the chemical-based repellent formulations. They are very gentle to the body and do not cause any adverse effects to the body.


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