Jack's Classic Hydrangea Blue 7-3-3

Hydrangea Blue 7-3-3 is a unique blend of high-quality nutrients and aluminum sulfate designed to produce lush leaves and enhance the blue color in many pink and blue varieties of hydrangeas. It is especially beneficial for hydrangeas planted near concrete foundations or in high alkalinity soil. For use on: Enhances blue flowers like lacecap including: blue bird, taube, fasan, mariesii. Mophead varieties: nikko blue, all summer beauty, matilda gutges, merritt’s supreme. It will not change the color of white hydrangea varieties.