Synthetic insecticides are efficient in killing insects but they come with a lot of side effects. They contaminate your breathing space and pollute the environment. They can be dangerous to pet animals and also decrease the quality of soil.
Maintaining your garden with organic insecticides, you don’t encounter all those problems. But what do we mean by organic insecticides, let’s find out!
Vegetable Oil Spray
This homemade oil spray is an effective insecticide that can help you get rid of thrips, aphids, and mites from your garden. Oil spray insecticides suffocate pests by coating their surfaces, and stopping them from breathing.
Mix 1 cup of vegetable oil with 1 tablespoon of soap and shake it well. Add 2 teaspoons of this mixture with one liter of water in your spray pump or bottle. Spray directly onto the plants affected by the insects.
Neem Oil Spray
Neem seed extract is an effective natural insecticide that comes with a number of other benefits. There are several characteristics of neem that spells big trouble for insects in your garden.
- Neem oil is able to disrupt the lifecycle of many insects in their initial growth stages.
- Neem oil can be used as external antifeedant for plants. Antifeedant is a natural substance produced by plants, which makes them harmful for insects and bugs trying to eat leafs.
- Unlike synthetic insecticides, it is nontoxic for animals and birds.
Neem oil can be easily prepared by adding 2 teaspoons of Neem oil to a liter of water. You can add a teaspoon of mild liquid soap for added affect. Spray this solution directly on infected plant foliage. It can also be sprayed as preventive measure to repel different kind of pests from invading your space.
Neem oil is easily available at natural food stores and garden centers.
It is a natural substance made from fossilized sedimentary rocks made of a special type of Algae called Diatoms. It is used for different household purposes, and one such purpose is use as organic insecticide. Diatomaceous Earth does not kill insects by poisoning or suffocating them like other organic pesticides. Instead, it kills them by dehydrating them and sucking away all of the lipids from their exoskeletons.
How to Use
Simply sprinkle this organic powder on the soil around the plants. It can also be sprinkled on the plant leaves. Diatomaceous Earth is dry in nature, so to get better results from it, dust your garden after watering your plants. Diatomaceous Earth can be easily bought from garden stores.
Chili Pepper Spray
Chili pepper spray is indeed not an insect killer but it can be used as natural insect repellent in your garden. It is an inexpensive insecticide that can be made at home without much hassle.
Chili pepper spray can be made either by Chili pepper powder or hot fresh peppers. Mix 1 tablespoon of Chili powder with 1 liter of water and some drops of liquid soap, and viola, you are ready with a natural insect repellent. If you are using fresh peppers then boil a cup of peppers in 2 cups of water, and use it as repellent spray once it is cool.