Green House Nutrients - BioGrowPromotes Rapid Growth During the Vegetative Stages BioGrow is loaded with natural ingredients that trigger the development of fresh growth during the vegetative stages. It contains an array of macro and macronutrients , as well as trace elements, and they're delivered in slow release form that won't cause leaf burn. BioGrow delivers the extra nitrogen that plants need to thrive during the vegetative stages. Nitrogen is important for cell division,