Jack's Classic Hydrangea Blue 7-3-3 680g

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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 ch ange the color of white hydrangea varietiesHydrangea Blue 7-3-3 is a unique combination of high quality nutrients and aluminum sulfate designed to produce lush leaves and enhance and maintain blue color in many pink and blue varieties of hydrangeas. If the hydrangea is planted next to a concrete foundation or in high alkalinity soil, it will be especially beneficial. It will not change the color of white hydrangea varieties. Show more