Natural insecticides against parasites and insects

Natural insecticides against parasites and insects

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Natural insecticides against parasites: from castile soap to Neem oil, here are many recipes to effectively and naturally fight plant parasites.

Nature is always our ally in the fight against parasites that inexorably damage the health of our ornamental and fruit plants. Thanks to many natural ingredients such as garlic, chilli pepper, Neem oil ... let's just mention a few, it is possible to create several really effective insecticides; the preparation is simple and the ingredients are easily available at home.

Natural DIY insecticides are harmless, they do not contain chemicals, which often turn out to be harmful to humans and the environment. Another advantage of natural insecticides is that from application to harvest, no safety time is required, which is necessary when we use industrial pesticides instead. Natural insecticides can also be used lightly in the home for the care of our indoor plants.

Natural insecticides against parasites, recipes

Castile soap

Castile soap is a natural product that lends itself well to the preparation of repellents against plant parasites. Contains no parabens, fragrances or other artificial ingredients. For more information on the product (price, properties, uses ...) we refer you to the official Amazon page: Organic Soap of Castile - 100% Natural - 1L

To prepare the pest repellent, just pour a tablespoon of product into a container with 1 liter of water, add a pinch of pepper, garlic powder and a pinch of peppermint; you will get an excellent repellent against mealybugs and aphids.


Garlic can become the basis for a good natural insecticide, it is the repellent par excellence. It can be used in the form of macerate, decoction, minced or cultivated in the garden borders to ward off a large number of parasites.
Here is an effective recipe. Blend a head of garlic together with a few cloves and two cups of water. Let it rest then add 3 liters of water.


Another ally in the fight against parasites is the onion. Just pour 100 grams of chopped onion into a container then add 5 liters of boiling water.

Tomato leaves

Since they are rich in alkaloids, tomato leaves can act as a repellent for worms, moths and aphids. Just chop a few leaves to fill two cups, then add water and leave to soak overnight. Once this is done, add two more cups of water.

Chili pepper

A very quick pest repellent to make is pepper spray. For the preparation it is sufficient to blend about 10 chillies with two glasses of water. Let it rest overnight then pour the mixture into the sprayer by adding another glass of water.

Natural insecticide against insects

White vinegar and lemon against flies

Flies are very boring insects; they creep into homes, causing many problems. To get rid of it, here's a natural do-it-yourself recipe: leave a few lemon peels or eucalyptus leaves to macerate in white vinegar for five days. After filtering the mixture, pour the repellent into a vaporizer and spray in the home.

Nettle repellent

The nettle is a precious ally against any type of insect. For preparation, just take 20 grams of dried leaves and immerse them in a liter of water then leave to macerate for at least 12 hours. This natural insecticide is also effective against aphids and red spider.

Neem oil

This powerful natural product is the perfect ingredient in the preparation of an insecticide against mites and fungi. For this DIY repellent we will need, in addition to Neem oil, essential oils of rosemary and lavender. For preparation, just dilute 30 ml of Neem oil, 3 ml of rosemary and the same amount of lavender in 4 liters of water. Dispense the product through a sprayer.

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Video: DIY PESTICIDE. HOMEMADE INSECT REPELLANT. Natural Pesticide for Plants. Effective Insecticide (August 2022).