Not really as I think I was too late in applying it. We will see next year whether it works.
Some time ago I had a question answered about how to keep a Blue Hydrangea Blue and was directed to Hydrangea Colourant. Now I have a follow up...
Surely you mean less acidity?
I have read somewhere that Hydrangeas are almost like Litmus paper and their colour tends to got towards Red when the soil is acidic and Blue when...
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