Q.

Hydrangeas

Zone Indianapolis, Indiana | jtpeterson added on April 24, 2018 | Answered

I know I need to add Soil Acidifier to my Hydrangeas this time of year. In my garage I found a solution (Green Light) Iron and Soil Acidifier - can I use this mixture on them? It's lists other plants I have on the label but I see nothing about Hydrangeas and don't know if they can tolerate the Iron. Thank you.

    A.
    A.Answers to this queston: Add Answer
    BushDoctor
    Certified GKH Gardening Expert
    Answered on April 24, 2018

    This does help, but you will still want to use a good all purpose fertilizer. You just will not need acid loving food, as you are providing the acidic environment. I would test the pH, so that you can see how much that you need to add to get to your target pH.

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