Neem oil is a naturally occurring pesticide found in seeds from the neem tree with a hundred-plus-year history of controling pests and diseases. The active ingredient in the oil is azadirachtin, which repels and kills pests.

Neem oil is an organic solution used as a pesticide against insects, mites, or fungi bothering your plants. Neem oil is safe to use: It will not harm humans or animals.