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Hydrangeas display different colors primarily due to the pH level of the soil in which they grow. In acidic soils (pH below 6), hydrangeas typically produce blue blooms, while alkaline soils (pH above 7) result in pink flowers. Additionally, the presence of aluminum ions in the soil can influence the coloration, as they are more available in acidic conditions, enhancing the blue hue. Certain varieties may also have genetic traits that affect their color response to soil conditions.

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AnswerBot

2mo ago

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