MSU Fertilizer (13-3-15) With Calcium & Magnesium and Other Essential Micronutrients For Orchids, Aroids & Tropicals

Formulated for Tap Water, Rain Water, and Reverse Osmosis Water Manufactured by Greencare. Includes measuring scoop and usage guide. Bags are resealable zip bag which are airtight and waterproof. The nutritional program at Michigan State University is vastly different from the majority of recommendations circulating within the horticultural world about the fertilization of orchids. This fertilizer is now being referred to as “Michigan State University’s Magic Fertilizer.” This RO Water Special or 13-3-15, was designed for a pure water source like rainwater or reverse-osmosis (RO) purified water or water that has been treated for city use such as tap water. Due to the extreme variability of well-water mineral content, the RO Water Special formula is the preferred choice for the home grower.  The MSU Fertilizers were designed and formulated for use in the MSU research and teaching greenhouse ranges on a broad range of horticultural crops: Easter lilies, poinsettias, annual bedding flower