Detergents clean the bugs. Soap kills them. What is the difference.
Remember, don’t kill the good bugs. This soap solution only kills the bug if you spray directly on it. There is no residue left behind to harm the good critters. I mostly use this soap recipe for the aphids and those nasty Japenese beetles.
Detergent’s like most of your home cleaning solutions are made with chemicals. When diluted, they clean your bugs but don’t kill them. Most of your liquid dish cleaners are detergents and not soaps.
Soap is made with animal fats and lye. Soap spray will dissolve the exoskeleton or soft bodies of the bugs you target. The spray has to come in contact with the bug.
Use perfume free Soaps with no dyes.
Dr. Bronners, Ivory Soap, Fels Naptha are all soaps.
Mix 1 tsp. with 1 quart water. Dissolve the soap in the water. Wait till the afternoon when the sun is not shining on the plant and the temp has cooled a bit. Spray the bugs directly. If you have Japenese Beetles–use 1 tbsp in a quart of water—but check this strong solution per plant first to make sure the plant can take such a strong solution. I have increased the amt of soap till I get the right amt for the bug and not kill the plant.
This is organic and you can use liquid Ivory soap without the perfumes. If you are using the bar soap—-grate it till you have a tsp or tbsp.
I wrote this a long time ago and saw it on a google catched page. Just thought I’d stick it back on my blog.
The photo is from my Airlie Gardens Post.