Can I make my own insecticidal soap? Certainly! By mixing 2.5 tablespoons of vegetable oil and 2.5 tablespoons of pure liquid soap with 1 gallon of distilled water, you'll have a whole gallon of insecticidal soap for safely spraying plants in flowerbeds or the vegetable garden.

What can I use instead of insecticidal soap?

Castile soap, plus plain old tap water, is all you need for a natural homemade insecticide. Dr. Bronner's isn't the only castile soap you can use, however. I've also tried Cove (which I love and use for cleaning the house too) and Quinn's, and found them just as effective.

Can you make insecticidal soap with Dawn?

The recipe for homemade insecticidal soap requires only three ingredients: Dawn dish soap, vegetable oil and soft water. Mix 2.5 tablespoons of the Dawn dish soap and 2.5 tablespoons of vegetable oil with 1 gallon of warm soft water. ... Furthermore, you should always use soft water when diluting pesticides.