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Is it purple or is it blue?


Hi Folks!  I have a question about perennial morning glories.  I have a
wonderful perennial morning glory vine growing up a yellow pole.  In the
morning, the flowers are indigo with a purple throat.  In the afternoon,
those same flowers are violet.  Is it the change in the light or does the
flower color actually change???

I've been wondering about this for a while.

Thanks!!

Nan

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Nan Sterman, "gardening addict"
Olivenhain, California
Sunset Zone 24, USDA Zone 10b or 11
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