A fast-acting, water-soluble complete fertilizer for watering hydrangeas. Accelerates the onset of flowering and promotes the formation of new flower buds. The magnesium in the fertilizer strengthens the plants, ensures optimal growth, and enhances the brightness of the flower color. The potassium in the fertilizer strengthens the plants, intensifies the fragrance of the flowers, and increases the plants’ cold hardiness and resistance to adverse growing conditions and diseases.