Q.
Changing color of hydrangeas
Can I use dissolved aluminum sulfate in water and pour it right on the blooms before they fully blossom? I've heard people do it and it really changes the color to a deeper blue than just putting it around the drip line.
A.
Downtoearthdigs
Answered on June 12, 2017
This article will help you with your Hydrangeas.
https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/change-hydrangea-color.htm
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