Name: Anne Summerville, SC (Zone 8a) Only dead fish go with the flow!
That's quite normal for flowers from the same plant to change color. Flower colors are made with enzymes and the enzymes react/metabolize differently to different temperatures and light affecting color saturation and patterning. A really good example of how temperature and light affect flower colors are tropical hibiscus .. the first picture is what Cherry Appaloosa looks like during the growing season and the 2nd picture is what it looks like during winter .. you can see that it's totally lost the white patterning.
Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so.
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