Spider mites, small flies, caterpillars, mealybugs, thrips, slugs… So many little insects that can invade our vegetable plants and hide in the roots, branches, shoots or even under the leaves of our plants. These insect pests often form colonies that become difficult to eradicate in the long term. In addition, infested plants become weakened and may suffer from deformation, desiccation, bark cracking, or leaf drop. In reality, attacked plants can undergo progressive degradation and become vulnerable to disease. In this article, find out how to get rid of aphids with natural pesticides.

Aphids can settle on the roots, stems, and leaves of your favorite plants. Some plants such as fruit trees, blackcurrants, conifers, roses or even nasturtiums are especially vulnerable to aphid infestation. In fall, sexual aphids emerge and begin laying black eggs that overwinter into spring. This is how aphid colonies can appear and attack your cultivated plants. To fight these harmful insects without using environmentally harmful chemicals, here are natural solutions.

Natural pesticides to kill aphids

To carry out an ecological fight against pests such as aphids, there are formidable biological pesticides. These natural remedies can be used both as a preventive treatment against aphids, as well as as a repellent to effectively repel them. Here are some aphid treatments you can use to end your infestation:

1. Tobacco

As every gardener knows, aphids are very difficult pests to get rid of. To fight the proliferation of these insects and protect your vegetation, you can use black tobacco. Very effective in eradicating an aphid colony, this natural insecticide is economical and eco-friendly. To use it, you must first macerate the tobacco in water, let it sit for 3 hours and filter the mixture. For 1 liter of water you need about 100 grams of tobacco. Let sit for 2 to 3 hours before spraying the liquid on plants ravaged by unwanted insects.

2. A decoction of garlic

Aphids fear strong odors such as garlic. To put an end to the invasion of these pests, pour 6 cloves of garlic into 1 liter of water and then bring the mixture to a boil. When the mixture is warm, add 3 drops of liquid detergent to allow the product to adhere to the plant, then spray the solution on your plants to control pests.

3. An onion infusion

Onion juice is a natural insecticide that eliminates pests in our garden. To repel aphids, simply put 4 finely chopped onions in a bowl filled with a liter of water and then let the preparation marinate overnight. The next day, strain the solution and then pour the liquid into a spray bottle. Spray onion juice on plants to eradicate aphids.

4. nettle manure

Nettle manure is considered a natural fertilizer and a formidable pesticide. But be careful, nettles are rich in nitrogen, this product should never be used without diluting it at the risk of burning the roots of the plants. To prepare nettle manure, mix 1 kg of nettle with 10 litres of water, then cover the mixture for two weeks while stirring daily. Then spray the mixture on the infested plants to remove aphids.

5. White vinegar

Praised as an excellent cleaning agent, white vinegar is also helpful for the environment. To hunt aphids, mix 2 liters of water and 5 tablespoons of white vinegar. Do not exceed this dose because the acidity of vinegar is high for plants. Water your plants with this solution early in the morning and evening to keep unwanted small insects away. Do not water the plants with this product during the day as the sun will burn the plants.

Now you know how to control aphids. Do not hesitate to use these repellents as a preventive treatment and protect your crops all year round.