Espoma products and hydrangea?

Post here if you have problems with disease on your rhododendrons, azaleas, boxwood, hollies, hydrangea or any other shrubs.
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Espoma products and hydrangea?

Post by glenn_m » Wed Mar 25, 2020 5:34 am


I recently fertilized my hydrangeas with Holly Tone and was wondering if I could add some Espoma Soil Acidifier, or if this would hurt the plant? I think Holly Tone already has some sulpher in it.

Also, I tested my soil PH and it's 6.5. Will my blooms turn blue in this PH? I don't want to change all my hydrangeas, just a couple Original's and a couple Bloomstruck's. I think lowering to 5.5 would be ideal based on what i have read. Or am I wrong?

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