It all comes down to soil pH. There's an old gardening myth that you can turn hydrangeas blue by burying pennies or nails in the soil. Unfortunately, this particular wisdom isn't true, but there are ...
If you've been trying to get your hydrangeas to become big and blue, then we might just have the tip for you. Hydrangeas color is based on how acidic your soil is—the more acidic the soil you plant ...
If you've been trying to get your hydrangeas to become big and blue, then we might just have the tip for you. Hydrangeas color is based on how acidic your soil is—the more acidic the soil you plant ...
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Gardeners say a spoonful of this breakfast leftover turns hydrangeas deep blue – but overdoing it can backfire
Across the UK, gardeners are trading pink hydrangea heads for deep blue ones thanks to one unlikely breakfast leftover. But ...
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