Natural Homemade Pesticides to Keep Your Garden Pest-free

PCR Natural Homemade Pest

During recent years, people have become very conscious of the environment they live in and what they consume. The importance of organic farming has grown and people have begun to lay off chemical insecticides and pesticides. This has given rise to the need for organic pesticides. Here are 14 organic pesticides that are easy to make and can be made at home.

Natural Homemade Pesticides to Keep Your Garden Pest-free

1. Neem Pesticide Spray

Neem is the most powerful natural pesticide. Ancient Indians recognized the healing compounds of neem and used it for medicinal purposes. Neem oil was acknowledged as a powerful completely organic way to ward off pests as it contains 50 natural insecticides. The bitterness present in the leaves acts as a repellent and keep pests at bay.

The neem pesticide spray works on over 200 species of sucking and chewing insects and also fights mildews, rusts, and fungi. The effects of the spray last up to 22 days. However, the oil tends to wash away with rain and excess watering.

How to make the organic neem pesticide spray?


Organic neem oil, mild organic liquid soap, and warm water.


  • Add ½ ounce of neem oil to 2 quarts of  water
  • Then add ½ teaspoon of liquid soap to the solution and stir it slowly
  • Pour it into a spray bottle and spray it on the affected plants

Use the solution immediately after you make it. Do not prepare it in advance and store it for future use.

2. Epsom Salt Spray

Homemade bug spray for outdoor plants

The magnesium-rich salts present in Epsom Salt help fight off bugs. It can be used in two ways – sprinkling and spraying. The spray burns slugs and beetles and makes sure they keep away from the plants while sprinkling not only wards off pest but also increases the nutrient absorption. Magnesium aids plant roots absorb vital nutrients like nitrogen phosphorus and sulfur.

How to make the Epsom Salt spray?


Epsom salt and water.


  • Mix 1 cup of Epsom Salt into 5 gallons of water. Pour it into a spray bottle and spray it on the affected plants
  • Another option would be to sprinkle Epsom Salt around the base of the plant. You could repeat this on alternate weeks

3. Salt Spray

Salt spray is the easiest to make. It is used to treat plants that are infested with spider mites. Mox gallon of crystal salt in a gallon of warm water. Pour the solution into a spray bottle and spray it on the infected areas.

4. Mineral Oil

Mineral oil dehydrates the larvae, eggs and insects bodies.


High-grade oil and water


  • Mix 10-30 ml of mineral oil in one liter of water and stir well
  • Pour it into a bottle and spray of affected plants

5. Citrus Oil with Cayenne Pepper

The mixture works wonders for an ant infestation. Mix 10 drops of citrus essential oil with a teaspoon of cayenne pepper. Pour 1 cup of warm water into a spray bottle and add the mixture to it. Shake it properly before spraying it on the affected plants.

6. Citrus Peel Spray

The all-natural citrus peel spray is especially effective with aphids. However for the spray to be effective it needs to come in direct contact with the insects’ bodies.

How to make the citrus peel spray?


Boiling water and lemon peels

Natural pest control methods


  • Grind the peel from one lemon so it becomes a paste
  • Add the paste to a pint of boiling water and let it steep overnight
  • Strain the solution using cheesecloth or a fine mesh sieve and pour it into a spray bottle
  • Spray the liquid on the top and underside of the leaves of the affected plants

7. Eucalyptus Oil

Sprinkle a few drops of eucalyptus oil on plants to keep bugs away. This is effective for wasps and flies.

8. Onion Garlic Spray

Garlic has an antibacterial antifungal and antiviral properties which give it attributes to act as a pesticide.

How to make the onion garlic spray?


One clove of garlic, one medium-sized garlic, water, cayenne pepper, and liquid soap.


  • Grind the garlic and onion together and mix it in one quart of water
  • Leave it for an hour then add a teaspoon of cayenne pepper and a tablespoon of liquid soap to the solution
  • Use the solution on your plants every week for best results. You can store the mix up to a maximum of one week in the refrigerator

If you’re using this mix on your vegetable garden avoid using it close to harvest as it may affect the flavor of the produce. Remember that garlic works as a pesticide for a wide range of insects, the destructive ones as well as the beneficial ones.

9. Chrysanthemum Flower Tea

Homemade organic pesticides

Chrysanthemum flowers contain a chemical substance called pyrethrum that enters the nervous system of insects and seize their body functions. Boil 100 grams of dried Chrysanthemums and spray the water on the affected plants.

10. Orange Citrus Oil and Soap

This citric pesticide is especially effective if your garden is flowing with slugs. You can also spray it directly on roaches and ants. Mix three tablespoons of liquid castile soap with 1 ounce of orange oil in a gallon of water. Shake it well and use it as a spray on the pests.

11. White Oil Spray

To make this spray you’ll need a cup of vegetable oil and a quarter cup of liquid soap. Mix the ingredients together and shake it until it turns white. This is a concentrate and can be stored for up to 3 months.

Take a tablespoon of the concentrate and mix it with 4 cups of water. Spray this on the leaves. Repeat the process every 5-7 days. The solution works as it coats the soft body of insects like mites and aphids. The soap acts as an adhesive that helps the oil stick to the bugs.

12. Hot Pepper Spray

Pepper is the key ingredient in readymade pesticides as well. However, this homemade pesticide costs less than half the price and is just as effective.


Hot peppers, cayenne pepper, and a bulb of garlic.


  • Add 2 cups of chopped hot peppers to a food processor and add a tablespoon of cayenne pepper and a bulb of garlic
  • Pour 4 gallons of water in a bucket and add the puree to it. Let it steep for 24 hours
  • Strain the solution and then add three tablespoons of dish soap
  • Pour it into a bottle and spray it for a pest-free garden

You need to be careful while handling this spray. It can cause irritation if it comes in contact with your skin. As a precaution wear gloves when preparing and using the spray.

13. Essential Oil Spray

Vegetable garden pest control

This is the perfect pesticide spray. It repels flies, fleas, mosquitoes, insect larvae, aphids, squash bugs, spiders, ants, beetles, chiggers and many others. Essential oils not only act as pesticides but they also attract pollinators.

Different essential oils have different properties that repel different pests.

  • Peppermint essential oil fights aphids, squash bugs, ants, beetles, spiders, and fleas
  • Rosemary essential oil repels mosquitoes, flies, fleas, and insect larvae like the cabbage looper caterpillar
  • Thyme essential oil fights insects like ticks, roaches, and chiggers.
  • Cedarwood essential oil keeps slugs and snails at bay
  • Clove essential oil repels most flying insects

How to make the wonder spray?

The all-purpose insecticide contains a mix of a few essential oils and other ingredients.


Lemon essential oil cedarwood essential oil eucalyptus essential oil, a little vodka, and water


  • Mix a teaspoon of vodka with 10 drops of each essential oil
  • Pour an ounce of water into a glass spray bottle and add the mix to it
  • Shake it properly before spraying it

14. Tomato Leaf Spray

homemade tomato leaf spray pesticide


The alkaloids present in tomato leaves are fatal to many insects. The tomato leaf spray is an effective way to kill mites and aphids.

How to make the tomato leaf spray?

  • Pick off the leaves that are closer to the ground or from the unwanted side shoots of your tomato plants
  • Soak a cup or two of leaves in one cup of water overnight
  • In the morning, strain the leaves from the water using a fine sieve. Add one cup of water to the liquid and empty it into a spray bottle
  • Spray the mix on the leaves of affected plants. Pay extra attention to undersides of foliage as that’s where aphids are usually present

Do let us know which natural bug spray you tried and how soon the results showed. Always resort to a natural pesticide if it is a mild pest problem. However, if your garden has a serious infestation of pest and none of the natural pesticides are effective, you will need to call a professional to save your garden from the pests. It is unsafe to use chemical insecticides and pesticides and they cause irreversible damage to the soil and environment. Get a free quote from the top pest control companies across the country today!

If you have used the services of a professional pest control company before, you can leave a review to help other homeowners choose a pest control company.

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