How to Make Neem Oil Pesticide
- Neem oil spray can repel and kill garden insect pests while also treating fungal plant diseases.
- This will result in a 0.5 percent neem solution, which is useful for preventative spraying.
- Put a funnel over the neck of the bottle and pour the neem solution into it, until the liquid is almost to the neck of the bottle.
- Screw the spray head back onto the bottle.
