The soap is a traditional product manufactured from natural fatty acids, potassium hydroxide, and water. It is a completely biodegradable substance without harsh chemicals. It has antibacterial and insecticidal properties that make it the best insect killer for plants to the organic gardener.
The raised question:
How to make organic insecticidal soap for plants?
It is a very easy DIY process to make insecticidal soap spray at home. But the scary part of the homemade insecticidal soap spray is maintaining the concentration.
Here I have discussed a few homemade insecticidal soap recipe for you. Before the recipe to get rid of insects in your garden. You have to know what kind of soap can use to make insecticidal soap. The pure liquid is most suitable. Just make sure that the soap has no harsh or synthetic chemical.