Dyna-Gro SUPERthrive Bloom - 1 GallonDescription Superthrive Bloom 1 Gallon: This Superthrive Bloom 3 12 6 is a high phosphorus, low nitrogen plant nutrient blend containing all 6 essential macronutrients and all 10 essential micronutrients. It is designed for all blooming and flowering plants such as alpinia, begonias, gerbera daisies, gardenias, geraniums, and roses. Additionally, it's specifically formulated to encourage the development of large fruits and vegetables, providing