Ignore the missing petal tips and the holes in the petals...I can't look at anything in the garden this week without finding slugs crawling all over it. Anyway, I'm posting this pic to show the variability in Megastar blooms on the same plant. A 2nd Megastar has had one bloom almost totally white. This isn't fading from sun, either (we haven't had any!). They open this way.