Neem oil is used as a pesticide for many insects, including caterpillars. The pesticide can kill the ones that are pests as well as the ones that are beneficial, such as this monarch caterpillar. Photo courtesy Daniel Herms, The Ohio State University, Bugwood.org Neem oil is used as a pesticide. However, just because neem oil is organic doesn’t mean it is totally safe. It can harm beneficial insects, according to an article in WNY Gardening Matters. “Don’t be confused by…
