Re: Making My Own Insecticide with Canola Oil and Dawn Dish Soap
I don't understand the use of oil. IMO soap alone sprayed on leaves interrupts the delight with which pests chow down and soap alone sprayed on pests messes with their minds and little nasty bodies. Sunlight, dear, dear Sunlight, cannot be found in the US these days. It was and will always be my "pesticide" of choice. Lemony fresh and so wonderful!
How much for 25 oz? Normal recommendations for 1 gallon are no more than 2 tablespoons. Do the math. Err on the side of too little because too much can (and has for me) kill the plant you wish to protect. Spray again in a week if needed but don't think more in the mix is better--it's not.
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