cybersix said:Thank you! It's Nairobi Dawn and the flowers are purple, is it related?
I think the trait is independent from the color of the bloom, but there may be cases where it's not. I acquired 'Biloxi Memories' last fall and it is exhibiting the trait pretty strongly at the base of the foliage, but the bloom is yellow. In irises, the anthocyanin in the foliage often fades or disappears when the weather is hot. Sometimes it's only noticeable on new growth in cool weather.
