Apparently the coloration of hydrangeas is dependent upon the acidity of the soil. So now I have a half-joking explanation for this psychedelic color: they're high on acid. That's Berkeley for you.
I've been taking pictures of the hydrangeas in all of their hues (whether trippy or subdued), which I'll be sharing on the Shock the Bourgeois facebook page today...
1 Have Spoken.:
these pink ones are so shockingly pretty! i've heard about the acidity affecting the soil (and i love your little analogy). this is what the ones in our backyard look like:
http://andreadespot.blogspot.com/2011/07/personal-of-shadows-and-light.html
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