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2026-03-22 05:35:50 UTC
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quixote on Nostr: The blueness or pinkness of hydrangeas depends on the acidity or alkalinity of the ...

The blueness or pinkness of hydrangeas depends on the acidity or alkalinity of the soil.

I'm guessing whatever creates the acidity in this location is a very weak acid which neutralizes very soon after reaching the bracts? A wonderful effect!