Ask five growers whether neem works and you'll get five different answers. Usually they're all describing something real. The trouble is that "does neem work?" is the wrong question. It depends on the insect, and what happens with one pest tells you very little about another. This isn't a spray guide. It's a way of thinking about where neem fits, and where it doesn't. Why the insect matters more than the neem Neem's main active compound is azadirachtin, and most of it is foun