How To Use Neem Oil

How To Use Neem Oil

Top recipes and uses for Neem Oil

-Fly Spray- 

Used for horses, cattle, pets, and more! Much more affordable then buying Fly Spray from the store. 

Things You'll Need

  • 2 cups vinegar
  • Water 
  • 1 TBSP. Neem oil (or Neem Extract)*
  • 1/2 tsp. essential oil of garlic or tea tree (optional)**                                            
  • Spray bottle
  • Funnel
  • If a healing effect is needed, replace the vinegar with Aloe Vera Juice and the Garlic EO with Lavender EO.  

*The Neem Oil will separate, so this needs to be shaken before and during each use. The Neem Extract will not separate but is not as effective as the oil.   

**The garlic essential oil will increase the effects of the formula but it works well without also. 


  1. Remove the nozzle from an old fly spray bottle or a commercially bought spray bottle. Insert a funnel.
  2. Pour 2 cups of vinegar into the bottle, using the funnel. You can use either apple-cider, distilled vinegar or for healing use Aloe Vera Juice. Add water to fill 32oz
  3. Add the 1 TBSP Neem Oil. 
  4. Replace the nozzle and shake. It makes about 32 ounces of fly spray, which is the typical size of a bottle of commercial fly spray.


-Neem Oil Plant Spray-


For 4 gallons of a 1% solution of neem spray you need:

6.5 oz neem oil

5 tsps insecticidal soap

4 gallons of water

If you have trouble dissolving the oil, use more detergent.

Method For Preparing Neem Spray

Use a high quality, organic, cold pressed oil such as Naked Neem.

Use warm water if possible. If making a large batch, first make a premix in a small amount of warm water, then add that to the rest of the water into the big container.

Mix the warm water with the soap first!

Then slowly add the oil while stirring vigorously.

Fill the mix into your sprayer.

(Or fill the premix into your sprayer, which should already contain the rest of the water. Mix well.)

Keep shaking or otherwise agitating the mix while spraying.

Use the mixture within eight hours.

Additional Instructions

Spray the neem insecticide solution on all the leaves, especially the undersides where insects like to hide. If you have plenty drench the soil around the roots as well. It does not hurt, neem oil is actually good for your soil.

Use your neem insect spray as quickly as possible, definitely within eight hours. Once mixed with water the neem oil starts breaking down. Always make a fresh batch for spraying, and only prepare the amount you need.

 How often should you use neem garden spray? The suggestions below are general guidelines. Keep a close eye on things and fine tune as needed. If you are worried about sensitive plants, spray just a little bit in a small area, wait for a day or two, and see what happens. If you use insecticidal soap you should not have any problems.

Neem plant spray as a preventative measure: Spray once a fortnight using a 0.5 % solution. This should prevent any insect problems in the first place.

Neem insect spray to fight an infestation: When spraying the first time, thoroughly drench all leaves and the soil around the plant. Then spray once a week until the problem disappears. If it rains you may need to respray sooner. If you are dealing with a less sensitive insect species you may need to increase the concentration of the neem spray. See how you go.


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  • Becca Norris
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