How To Mix Neem Oil For Plants And Its Application Process

Last Updated on October 26, 2022 by Sam

Learning the key steps of how to mix Neem Oil for plants use is a huge advantage in allowing nature to cure its own problems.

Neem Tree is one of the plants that show great versatility in combating plant pests. In India, its country of origin, it has a sacred tree status. This is due to its beneficial ingredients in traditional Ayurvedic medicine.

Neem oil is a prized ingredient used in traditional and modern remedies. The insecticide properties of Neem oil make it a natural supporter of the garden. Simply summed up, Neem oil is a nature’s gift from plants to plants!

How to Mix Neem Oil for Plants
How To Mix Neem Oil For Plants And ...
How To Mix Neem Oil For Plants And Its Application Process

To make full use of Neem Oil, it is vital to learn how to mix it for your plants. When making your own Neem insect repellent spray you are free to adjust the concentration. This depends on the purpose and situation. There are no hard rules set on stone for this, only friendly guidelines.

Neem Oil Mixture for Insect Repellent Spray

To make 1 liter or 1 quart of 0.5% dilution of Neem plant spray you need:

If you want to make a bigger batch, multiply these quantities by the number of liters you want to increase.

If you need a more concentrated repellent spray, multiply both Neem oil and the amount of non-toxic soap used.

To Make 20 liters or 4 gallons of a 1% Solution of Neem Garden Spray you Need:

  • 200 ml or 6.5 oz Neem oil
  • 20 liters or 4 gallons of water
  • 30 ml or 5 tbsps of insecticidal soap

If you have trouble trying to dissolve the oil, use more detergent.

Neem Oil Mixture for Insect Repellent Spray

Important Points to Note when Mixing Neem Oil Spray:

  • Use pure, high quality, organic cold-pressed oil
  • Use warm water if possible
  • If making a large batch, first premix the ingredients in a small amount of water. Then pour into a big container with the rest of the water and mix well.
  • Always mix warm water with soap first
  • Slowly add the oil while stirring vigorously
  • Fill the mixture in your sprayer
  • Keep shaking the mixture while spraying
  • This mixture should be used within 8 hours after mixing

How to Apply Neem Oil Mixture on Plants

1. Spray this solution only on the leaves. Pests hide on the underside of the leaf, so drench the leaf with the spray. Neem is also good for the soil so don’t worry if you drench the soil too.

2. Always exercise caution when spraying this solution. Before applying it generously, test on a small area first and watch for adverse effects for a day. If the plant does not get a negative reaction in 24 hours, go ahead and spray the entire area.

3. Do no spray Neem oil when the weather is either too hot or cold.

4. Use Neem oil spray as often as your plants need it. Once per week is a good measure and spraying it often will work as a preventative measure.

How to Apply Neem Oil Mixture on Plants



Is applying neem oil worthwhile when it comes to plants?

Yes. Neem oil is a natural plant extract that has been used by Ayurvedic practitioners for thousands of years. It is one of the most powerful insecticides available, and can help control a wide range of pests. Neem oil can be used topically or in soil or foliar sprays.

What is it made of? Neem oil is a mixture of more than 30 different compounds called azadirachtins. These are all derived from the neem tree (Azadirachta indica), which is native to India, Pakistan and Bangladesh. The most potent of these compounds is azadirachtin A. Other azadirachtins have varying levels of potency. The neem tree produces a milky white sap when cut. This is the source of neem oil. The sap is dried and pressed into oil.

How do you apply neem oil on plants?

You can apply it with a sprayer, but for best results, I prefer the liquid form. You just mist the plants regularly, and as needed. I use this method on my roses, citrus, and potted plants. I usually spray in the morning, before I water. This way the neem is diluted with rainwater and doesn't splash around too much when I water.

I have used neem oil as a foliar spray. I also had good results when I sprayed it onto the roots of my tomato plants. My experience has been that neem oil is best used on young seedlings or plants that have just germinated.

How much neem oil do I mix with water for plants?

Neem oil can be mixed with water, but how much you use depends on the amount of plant disease and insect problems you are trying to solve. For example, you may find that using a one-to-one dilution works well for your problem. However, if you are having an especially bad infestation of ants, you may need to make a stronger mixture.

The following ratios have been used successfully in our garden:

•1 gallon of neem oil to 1 gallon of water = 1 part neem oil to 9 parts water

•1 gallon of neem oil to 1 gallon of water = 10 parts neem oil to 90 parts water

•1 gallon of neem oil to 1 gallon of water = 100 parts neem oil to 100 parts water

When mixing neem oil, the more concentrated the mixture, the better it will be at killing bugs and keeping them away. If you are mixing up a small quantity of neem oil, I recommend using a funnel. However, if you are mixing up a large quantity, it is best to use a sprayer.

Where can I find neem oil?

You can buy neem oil in the health food section of the grocery store. You can also order it online.


Whoever thought that plants can be medicine to their fellow plants? We all thought plants are food and medicine for humans. Shock is, nature can heal nature! All our complicated knowledge is challenged by simple nature!