CHANGING COLORS
HYDRANGEA
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Have you ever had a blue hydrangea turn pink? Here are some things you need to know on how to keep or change the color of your hydrangeas.
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The change in the color of your hydrangea is due to the pH of your soil. Soil runs from acidic to alkaline with varying degrees in between.
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Hydrangeas prefer and do best in soil on the acid side just like azaleas, rhododendrons, Japanese maples, pieris, etc.
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If your soil is more alkaline, then your hydrangeas will be pink or pinker.
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If your soil is more acidic, pH around or less than 5.5, then your blue hydrangeas stay blue or bluer.
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Many white hydrangeas don’t change color but they might turn greenish as the flowers age.
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If you’re unsure of your soil’s pH, you can find a soil lab in your state or buy a simple soil pH test kit or pH meter online.
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