Gardening Tips

Homemade insecticides for lemon trees

Homemade insecticides for lemon trees

The lemon tree is a fruit tree that we can grow both in large gardens, where it will grow large and bear a large quantity of fruit, and in much smaller spaces, and it is possible to have it even on a terrace or balcony in a good-sized pot. size. However, like most plants, lemon trees are susceptible to attack by various pests that can threaten their health, as well as spoiling their fruit and causing an unwanted presence of insects. If you notice that the leaves of the lemon tree are falling off or that it seems weak or listless, it may be suffering from a blight.

If you want to learn how to make home remedies for lemon tree pests, thus being able to dispense with aggressive and non-ecological chemical products, join us in this EcologíaVerde article on how to make homemade insecticides for lemon trees. You will save money and see how to get rid of lemon pests without harming the environment.

What are the pests in lemon trees

Lemon trees are susceptible to the same pests and diseases as other plants in the citrus family. In the case of pests, it depends a lot on the area we are in and what kind of climate it has, according to which some species will be more present than others. Yes, all the main pests of the lemon tree are caused by insects. This is the list with the most common:

  • citrus leafminer
  • aphid
  • cottony mealybug
  • Red spider
  • White fly
  • fruit fly

Most of these pests eats the leaves of the lemon tree or it attacks its stems or fruits at different points in its life cycle, making timely treatment necessary to avoid further damage. Here you can learn more about Pests and diseases of the lemon tree. Always use the following homemade insecticides after the fall of the lemon tree flower.

Homemade insecticides for lemon trees - What are the pests in lemon trees

Garlic for lemon tree pests

If you want to know how to prepare a homemade insecticide almost universal, garlic It is one of the best options. Indeed, garlic, present in all our pantries, is a powerful weapon in the treatment of pests in our garden and orchard.

  1. Prepare your blender and put a whole head of garlic in it.
  2. Add clove spice and half a liter of water.
  3. Mash it all up until it has formed an even mixture and let it sit for 24 hours.
  4. After these hours you must add another 3 liters of water.
  5. Place the mixture in a sprayer and you can start treating your lemon tree.
Homemade insecticides for lemon trees - Garlic for lemon tree pests

tomato leaf tea

The tomato can also be of great help in combating pests on the lemon tree. The tomato leaves They work very well in the preparation of a homemade insecticide for citrus thanks to its high content of alkaloids, as these are a natural repellent of aphids and caterpillars. so to learn how to make a homemade insecticide For aphids, caterpillars, and other pests, follow these steps:

  1. Crush two cups of tomato leaves and fill them with water.
  2. Then let the mixture sit overnight.
  3. Then, dilute them in half a liter of water and you already have your insecticide ready to use with a spray.
Homemade insecticides for lemon trees - Tomato leaf tea

Tobacco insecticide for lemon trees

We all know how harmful tobacco it is for people’s health, but this is even more pronounced in the case of insects and it is also harmless for plants.

If you empty the content of about four cigarettes into half a liter of water and let the mixture macerate for two days, you will have a very repellent mixture for pests such as the whitefly on lemon tree. Filter the mixture after resting and you can now spray your plants with it.

Homemade insecticides for lemon trees - Tobacco insecticide for lemon trees


The crushed eggshell It has a double effect on the garden, and it acts both as a fertilizer and as a repellent against pests. Crush the egg shell until it is very fine and make a circle around the base of your lemon tree if you want to prevent mealybugs, caterpillars and snails from getting close to it.

neem oil

The Neem or neem tree essential oilfrom India, is a recognized natural pesticide useful against a huge number of insects. In fact, it is so powerful that it is recommended to use it sparingly, as it will kill most insects it comes into contact with, including beneficial ones.

If you want to prepare a pesticide against the cochineal in the lemon tree and other pests, mix 4 tablespoons of Neem oil with 2 tablespoons of natural soap for each liter of water and you can fumigate the lemon tree with the insecticide.

Homemade insecticides for lemon trees - Neem Oil

orange essential oil

Orange essential oil works against ants, cockroaches, flies and aphids. The power of this citrus concentrated in an essential oil is effective in repelling and eliminating some pests.

To use the orange essential oil as an insecticide for lemon trees, mix a tablespoon of organic liquid soap with 5 or 10 ml of orange oil and five large glasses of water. You can apply it with a spray directly after mixing it well.

wormwood tea

This medicinal plant is a natural repellent even cultivated, but you can prepare a mixture to make it more powerful. make a wormwood insecticide for lemon trees So:

  1. Put 250 grams of its fresh leaves to macerate for every liter of water for a week.
  2. Strain the solution to keep only the liquid.
  3. Spray the mixture on the lemon tree. This insecticide affects almost all of the pests listed above.


Against whiteflies, aphids and red spiders, onion works as well as garlic. Prepare a insecticide for lemon trees with onion following these steps:

  1. In a blender, put two or three onions covered in water and blend until smooth.
  2. Let stand one night.
  3. Strain it to keep the liquid and spray it on the lemon tree affected by the plague.
Homemade insecticides for lemon trees - Onion

potassium soap

This is another widely used home insecticide. You can buy it or make it and follow these steps to use potassium soap as an insecticide for lemon trees:

  1. Put two tablespoons of soap for every liter of water.
  2. Stir to dissolve as best as possible.
  3. You can now spray it on the tree as soon as you have mixed it. You will see that it will be effective without harming the garden or your lemon tree.

Here we tell you how to make potassium soap.

Homemade insecticides for lemon trees - Potassium soap


Pepper also works great as a pest repellant. If you want prepare a homemade insecticide for lemon trees with peppertake note:

  1. Boil a tablespoon of ground black pepper in a liter of water for half an hour. Ventilate the kitchen well when doing this.
  2. Strain the mixture when it has cooled.
  3. You can now use it to spray on the affected lemon tree.

Now that you know these 10 homemade insecticides for lemon trees, we recommend you read these other articles on How to have a lemon tree without pests and How to make natural insecticides. In addition, we advise you to read this guide on How to care for a lemon tree in a pot.

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