These natural and homemade pesticides work well to keep pests away from your crops like beer, potato, garlic, etc. Nothing compares to having a home garden to understand the difficulties that our food farmers face. Trying to put food on the table with a home garden due to weather, weeds, and insects, not to mention soil fertility challenges – especially when following organic protocols that avoid using quick, but potentially harmful, solutions like herbicides, pesticides, and conventional fertilisers – can be incredibly humbling. We’ll focus on insect pests, which may turn your once-luxurious garden into a veritable buffet of bugs. Insecticides applied indiscriminately, particularly harsh pesticides that kill even beneficial insects, can have a negative impact on your local garden’s ecosystem. Make sure you do your research before using any pesticide or insecticide and find a solution that is both effective and safe for you and your garden.

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Sprinkle using Vegetable Oil

Aphids, thrips, and other pests can be controlled with a homemade insecticide made from vegetable oil and a mild detergent. To prepare a simple oil spray insecticide, mix one cup vegetable oil with one tablespoon soap, then add two teaspoons of the oil spray mix with one quart of water, shake well, and spray directly on the surfaces of the pest-affected plants. Because the oil coats the insects’ bodies, it effectively suffocates them by obstructing their breathing pores.

Tea with basil

2 tbsp fresh basil and 1 tsp liquid dish detergent and add the basil after the 4 cups of water has come to a boil. Turn off the heat, cover the pan, and set it away to cool. Strain. Combine the soap and the water in a mixing bowl.

Repellent for Onions

Save onion skins, peels, and ends and keep them refrigerated in an empty margarine tub or Ziplock bag until the container is full. Put the pieces in a bucket and fill it halfway with warm water when you’re done. Soak for a few days at the very least, preferably a week. Optional: Keep this on the terrace in the sun if it’s too steep. After one week, strain the parts out and store the liquid in spray bottles. In locations where aphids, spiders, and other pests are a problem, bury the onion parts. Spray both indoor and outdoor plants to get rid of aphids and bugs.

Salt Spritz

Dissolve 2 tablespoons salt in 1.5 litres of water, then cool to room temperature. Caterpillars, worms, and gnawing insects are all attracted to it.

Epsom salt

Add 2 ounces of Epsom salt to 2 gallons of water to make an Epsom salt bath. It will help in the treatment of Black Spot, Wilt and Mildew.

Citrus Spritz

Bring 4 cups water to a boil, then remove from the heat and add orange or lemon peels. Cover and set aside to cool. Strain.

Japanese Beetle Bait Trap

Combine water, banana, sugar, wine, and yeast in a container, cover, and place out in the sun for a day. Remove lid and place in the garden.

Potato tea

To make potato tea, chop the leaves of the potato plant and cover them with cups of hot water. Place the container in a sunny window and seal it. Because they are poisonous, use caution when cooking and handling them. Do not use it on food-producing plants.

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Mineral Oil Spritz

Mix 3 parts oil to 100 parts water in a spray bottle. Aphids, Mealybugs and White Fly all benefit from it.

Rubbing alcohol

Mealybugs and thrips will all benefit from rubbing alcohol to dehydrate their bodies. Dip a cotton swab with rubbing alcohol and apply it immediately to the pests. The problem is that alcohol can harm your plants’ tissue. As a result, use this spray with caution and caution, and avoid touching the plant itself. You can use a weak alcohol spray if the plant is too sensitive (1 cup alcohol with 1l water).


It includes nicotine, which is lethal to insects. When you’ve filled a 14 cup, put all of the leaves in a sock and soak it overnight in a quart of water. Making dilution of dried tobacco leaves is another, more efficient, but also more expensive method.


 Slugs are one of the most secretive and destructive pests in the garden. They lie behind the mulch or just beneath the soil at the plant’s base until the cool, moist evenings and mornings when they creep up and devour the foliage and blossoms. Pour some cheap beer into a shallow container and set it on the ground amid the plants. To hide the trap, bury an open, full beer bottle with only the top inch protruding out of the ground.

Soap Spray

A soap spray is quite similar to the oil spray and is also effective against mites, beetles, and other small insects. To prepare a basic soap spray insecticide, combine one and one-half teaspoons of mild liquid soap with one litre of water and spray the mixture directly on the damaged plant surfaces. A soap spray insecticide can be used in the same way that an oil spray pesticide can be used as needed.

Neem Oil Spray

Neem oil is a powerful natural insecticide derived from neem tree seeds. It is a natural fungicide that can help prevent powder mildew and other fungal infections on plants. It’s also biodegradable and safe for pets, and other wildlife. It’s effective against garden bug pests. To use neem oil as an insecticide, follow the instructions on the package and spray on the damaged plant leaf.

Diatomaceous Earth

Diatomaceous earth is a natural pesticide. This material kills insects by abrasion and its affinity for absorbing lipids off their exoskeletons, which causes them to dehydrate to death. Diatomaceous earth is commonly available at garden stores, but it is frequently only available in large bags. To use, just dust the ground around your plants with it, or sprinkle it on the foliage to help reduce insects.

Garlic Spray

Garlic is known for its pungent aroma and is employed as a natural insecticide. It’s uncertain whether garlic and chile spray are pesticides that can be used in the garden to combat pest infestations. To produce a simple garlic spray, purée two full garlic bulbs in a blender or food processor with a small quantity of water.

Chile Pepper Spray

Chile pepper spray, like garlic spray, is a natural insect repellent that is effective against a wide range of pests. Combine one tablespoon of pepper powder, one quart of water, and a few drops of mild liquid detergent to make a simple chile spray. Blend or puree one-half cup fresh chile peppers with one cup of water to form chile spray, then add one quart of water and bring to a boil. Allow cooling before straining out the chile and dusting with a few drops of liquid detergent as desired. The effects of spicy chilli peppers can also be felt by humans. Wear gloves when handling them and keep any sprays containing them away from your eyes, nose, and mouth.


Any garden centre should have the spray on hand. Dried flower heads should be pulverised into powder in a blender or food processor. Take 4 glasses of water for every half cup of dried flowers To help the mixture stick together, add a few drops of soap. Fill a spray bottle with this mixture and treat diseased leaves. Spray the stems as well if the infestation is severe. Apply  Pyrethrum after the sun has set. When the temperature rises above 85 degrees Fahrenheit, don’t spray. Remember to test everything first.

Homemade Spray (All-in-One)

In a blender, combine one garlic clove and one onion, then add one teaspoon of cayenne pepper powder and steep for an hour. Strain the mixture, then stir in one tablespoon of liquid soap. Spray the pesticide on both the upper and lower surfaces of the leaves.

Spray Tomato Leaves

Tomatoes are nightshade plants, which means they contain alkaloids like “tomatine,” which can effectively repel aphids and other insects. 5 To prepare a natural pesticide company in india, combine two cups of fresh tomato leaves (from the plant’s bottom) with one quart of water and steep overnight. Spray the plant foliage. Modify as necessary.


There are many more natural pesticides available, including milky spore, nicotine and iron phosphate, the above natural and homemade insecticide recipes should provide a good starting point for creating your own version. The fragrance of all of these substances is what makes them so effective against insects. The odour of household herbs such as garlic, citrus oil, tobacco, basil,  and chives repels pests attracts them. Remember that getting rid of all the insects in your garden isn’t the goal; a healthy ecosystem requires a diverse range of beneficial insects, bacteria, and fungi, both in the soil and on the plants. Therefore, introducing other predatory insects or providing good habitat for them, as well as increasing soil fertility, can be an effective pest management strategy.