blooms on hydrangea blue but the rest are a mixture

The first blooms on my hydrangea plant are blue. But the rest bloom a mixture of colors, such as beige, green, and faded pink. What can I do have all blooms blue? The plant is 30 years old.

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1 Comment To "blooms on hydrangea blue but the rest are a mixture"

#1 Comment By Nikki On 06/27/2012 @ 6:34 am

The only thing I can think of would be the pH level of your soil, which affects the color in hydrangeas, so it isn’t really unusual to see various shades of color depending on the soil pH. This article has information on changing hydrangea color: https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/change-hydrangea-color.htm ^[1]

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