Why did my blue hydrangeas turn pink the second year they bloomed
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Rdm27257336
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They only thing we changed in our yard is we cut down our cedar tree because it hadcedar rust. Could that have caused it?
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It Is the soil. Sometimes I have pink and blue on same bush. Acid soil , if I remember right gives pink. PH balanced gives blue. You can change the soil.
if I rember correctly the color a bloom depends on soil ph. Cedar is in the pine family, and can acidify soil. If the hydrangeas roots went deeper......
http://www.endlesssummerblooms.com/design-and-grow/color-me-pink-or-blue
Here is a link that explains the soil pH and types of hydrangeas.
https://www.gardeners.com/how-to/growing-blue-hydrangeas/8609.html
The cedar made the soil acid, you changed the ph.
You have to feed them blue water.