acidifying soil with magnesium sulfate

molkJune 21, 2010

Can magnesium sulfate be used to acidify the soil for blue hydrangeas? My plant is potted. Thank you

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jean001(z8aPortland, OR)

Short answer: No.

    Bookmark   June 21, 2010 at 10:56PM
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dublinbay z6 (KS)

I don't know about potted plants nor what kind of hydrangea you have (not all hydrangeas will turn blue, no matter what you add), but for my Nikko Blue hydrangea, planted in the ground, I add aluminum sulfate to turn it blue.

Kate

    Bookmark   June 22, 2010 at 11:23AM
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