What turns Hydrangeas blue - Knowledgebase Question

Centerville, Ma
Question by demicapecod
June 30, 2010
I have white hydrangeas, how can I turn them blue?

Answer from NGA
June 30, 2010


Hydrangea flower color depends upon the species and on the soil pH. You can turn a blue hydrangea pink or vice-versa with soil amendments but you cannot change a white hydrangea's color. Sorry!

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