If you can find this product
Monterey Garden Insect Spray (Spinosad), and treat your plants weekly, you can bring infestations under control. It is organic, and works best on mites with a wetting agent (like Agri2, Wet Betty, or DM's Penetrator) or you can use dish soap.(for a wetting agent) It contains a compound called Spinosad, which is a bacteria that colonizes on the plant and kills all kinds of pests.