How-to-turn-hydrangea-flowers-pink-or-blue. .I went to my local True Value Hardware and picked up a few garden supplies. It was there I found out that there are products that take the guesswork out of the hydrangea color equation for you. The label on the package simply says Pink Blossoms or Blue Blossoms. A no-brainer for a visual person like me. No head-spinning chemistry calculations to make.
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