Winter months indoors for tropical plants is like setting up the buffet table for mites and other pests. With no natural enemies and nice heat and water they can easily kill your 8 months of nurturing your plant in a month or two. This is one of a few products that works, The issue is that it smells like farts or strong sulfur, It is less than Malathion but not much. Inside this can be a major issue especially if you have customers coming in every day. We have tried more natural products but the mites just use it for a slip and slide. This works, plan your sprays and you can have blooming Hawaiian plants all winter long in the northeast.