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

If you want to learn how to make home remedies for lemon tree pests, thus being able to dispense with aggressive and non-ecological chemicals, join us in this AgroCorrn article on how to make homemade insecticides for lemon trees . You will save money and see how to eliminate pests from the lemon tree without damaging the environment.

You may also be interested in: How to make natural insecticides for plants
  1. What are the pests in lemon trees
  2. Garlic for lemon tree pests
  3. Tomato leaf tea
  4. Tobacco insecticide for lemon trees
  5. Eggshell
  6. Aceite de Neem
  7. Orange essential oil
  8. Wormwood tea
  9. Onion
  10. Potassium soap
  11. Pepper

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 type of climate it has, according to which some species will be more present than others. Of course, all the main pests of the lemon tree are caused by insects . This is the list with the most common:

Most of these pests eat the leaves of the lemon tree or attack its stems or fruits at different points in their life cycle, requiring timely treatment to avoid further damage. Here you can learn more about the pests and diseases of the lemon tree . Always use the following homemade insecticides after the lemon blossom has fallen .

Garlic for lemon tree pests

If you want to know how to prepare an almost universal homemade insecticide , garlic 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. Blend it all together until it has formed an even mixture and let it settle for 24 hours.
  4. After these hours you should add another 3 liters of water.
  5. Put the mixture in a sprayer and you can start treating your lemon tree.

Tomato leaf tea

Tomato can also be of great help in combating lemon tree pests. The leaves of tomatoes work well in the preparation of an insecticide for citrus home thanks to its high alkaloid content, as these are a natural repellent 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 for a full night.
  3. Then, dilute them in half a liter of water and you have your insecticide ready to use with spray.

Tobacco insecticide for lemon trees

We all know how harmful tobacco is to 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 in half a liter of water and let the mixture macerate for two days, you will have a very repellent mixture for pests such as whiteflies in the lemon tree . Filter the mixture after resting and you can now spray your plants with it.


The crushed eggshell has a double effect on the garden, and that is that it acts both as a fertilizer and fighting pests with its repellent effect. Crush the eggshell 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 approaching it.

Aceite de Neem

The essential oil of the Neem or neem tree , from 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 with which it comes in contact, including beneficial ones.

If you want to prepare a pesticide against the mealybug on 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 now fumigate the lemon tree with the insecticide.

Orange essential oil

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

To use orange essential oil as an insecticide for lemon trees , mix one tablespoon of organic liquid soap with 5-10 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 when cultivated, but you can prepare a mixture to make it more powerful. Make an absinthe insecticide for lemon trees like this:

  1. Marinate 250 grams of its fresh leaves for each liter of water for a week.
  2. Strain the solution so you only have the liquid.
  3. Spray the mixture over the lemon tree. This insecticide affects almost all the pests listed above.


Against whiteflies, aphids and spider mites, onion works as well as garlic. Prepare an insecticide for lemon trees with onion by following these steps:

  1. In a blender, put two or three onions covered with water and blend until the mixture is homogeneous.
  2. Let stand overnight.
  3. Strain it to keep the liquid and spray it on the lemon tree affected by the plague.

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 so that it dissolves 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 damaging the garden or your lemon tree.

Here we tell you how to make potassium soap .


Pepper also works great as a pest repellent. If you want to prepare a homemade insecticide for lemon trees with pepper , take note:

  1. Boil a tablespoon of ground black pepper for half an hour in a liter of water. Ventilate the kitchen well when doing so.
  2. Strain the mixture when it has cooled down.
  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 potted lemon tree .

If you want to read more articles similar to Homemade insecticides for lemon trees , we recommend that you enter our category of Cultivation and care of plants .

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