Absolute Flower (11-3-17) 3-Pound / 1-Pound PouchOverview Absolute Flower is a comprehensive controlled release flowering hemp fertilizer designed for the most robust and optimal bloom phases. Absolute Flower should be applied to plants 90 days prior to the intended harvest date. It is applied at a rate of 15 20 grams per gallon of soil and can be either sub dressed or fully integrated into the soil. It is recommended to use a higher rate of 20 grams per gallon if flowering in small containers. Be