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Hydrangea Plants

Q.Is there a way to get light blue hydrangea flowers to turn a deeper/darker shade of blue?

Zone 97215 | mintchocchip584 added on June 26, 2019 | Answered

I know that changing the acidity of soil allows you to turn hydrangea flowers from pink to purple to blue. However, I notice that some shrubs in my neighborhood have light blue flowers (such as my hydrangea), while others have a deeper, darker shade of blue. I see the same within pink and purple varieties—variations in color saturation as opposed to the color itself. Is there a way to control this or encourage deeper colored flowers? Or does it depend on the plant variety?

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Certified GKH Gardening Expert
Answered on June 27, 2019
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