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Why Has My Blue Hydrangea Turned Pink? [Solved]
The more acidic the soil, the higher the aluminium levels and this will turn pink and purple hydrangeas blue. A soil pH of 6 or below should keep the blue flowered. Therefore the trick is to check the soil pH before you buy a mop-head or lace cap Hydrangea if you want to be sure of keeping the flower colour.
How to Change the Color of Hydrangea Flowers | Hydrangea Colors Due to Soil Ph and Epsom Salt
Just
How to change the color of hydrangea flowers.
A simple description of the garden products to use in changing
Why are my Pink Hydrangeas white?
I have been getting lots of questions from gardeners why their
