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Fels Naptha Soap Solution

  • Author: Jill Baker


This recipe comes from a book called Old Time Gardening Wisdom by Jerry Baker.  He shares a lot of gardening information from soil fertilization to design to plants, trees, bushes, herbs to how to harvest and store your crops.  There are recipes using regular, plain ingredients for almost everything.  The one for bug pests is called the Fels Naptha Soap Solution.  It really worked great for me last year except for the squash bugs. I added essential oils (lavender, lemongrass, peppermint, and neem) and sometimes some diatomaceous earth.


  • 1/4 bar Fels Naptha Soap
  • 1 qt. boiling water
  • 1/4 cp. liquid dish soap (use a natural type of dish soap)
  • Essential oils, according to your preference (optional)


  1. Shave or grate the Fels Naptha soap into the boiling water.

  2. When the soap is completely dissolved, mix in the liquid dish soap. The dish soap keeps the mixture from separating.

  3. Add in any essential oils you want to put in your mix.

  4. Allow to cool. Store in a suitable container until ready to use. You’ll want to give it a good shake before using.

Keywords: garden pests