How to Make Insecticidal Soap Spray


Many gardeners find themselves battling tiny pests in the pursuit of growing beautiful flowers, fruits and vegetables. Gain an advantage over annoying insects by using insecticidal soap spray to control them on your plant foliage. When you spray plants with insecticidal soap, you can kill the insects and control future infestations. Instead of purchasing ready-made sprays, make insecticidal soap spray yourself to use in your garden and flower bed.

Step 1

Measure 1 tbsp. of dish washing detergent into the large bowl. Add 1 quart of warm water to the bowl.

Step 2

Mix the two ingredients well with the spoon until the water is sudsy and bubbly.

Step 3

Pour the soapy water into the spray bottle. Seal the bottle tightly.

Step 4

Shake the ingredients in the spray bottle to make sure you mix them completely.

Things You'll Need

  • Mild dish washing detergent (Palmolive or Ivory)
  • Warm water
  • Measuring cups and spoons
  • Large bowl
  • Spoon
  • Spray bottle


  • Iowa State University: Wash Away Houseplant Pests with Insecticidal Soap
Keywords: using insecticidal soap, spray plants, make insecticidal soap

About this Author

Kathryn Hatter is a 42-year-old veteran homeschool educator and regular contributor to Natural News. She is an accomplished gardener, seamstress, quilter, painter, cook, decorator, digital graphics creator and she enjoys technical and computer gadgets. She began writing for Internet publications in 2007. She is interested in natural health and hopes to continue her formal education in the health field (nursing) when family commitments will allow.