Sun Bulb Company 8305 Better Gro Orchid Plus Bloom Booster Fertilizer, 16-Ounce Orchid plus bloom booster fertilizer Its contains a high content of phosphorus and is used to encourage flowering, enhance bloom color and maximize bloom size Provides the precise mix of ingredients and nutrients your orchids need to produce beautiful, vibrant and long lasting blooms. No urea nitrogren Professionally formulated fertilizer