sprite writes
broodings from the burrow

June 28, 2020


phascinating florals
posted by soe 1:11 am

Hydrangea

I find hydrangea the most fascinating example of chemistry. For one type of this flowering bush, what color flowers you end up with depends entirely on the pH levels of your soil. Acidic soil gets you blue flowers; basic soil gives you pink. However, if your soil is in a rather narrow band of neutral pH, you get flowers that are purple or have a tie-dye effect. Some people will go so far as to put metal into their hydrangea bed in the hopes that as the nail oxidizes, it will cause the soil to become more acidic.

Isn’t that cool?

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