>the biology behind this, and is it likely to be a stable pattern? I've >never heard of a variegated form of I. cristata although I've searched the >internet and the archives here. It wouldn't be the first time I've seen I'm a hard-core Iris cristata lover, and I've never heard of a variegated type. I think you have something brand new! I'm sure several nursery owners would love to introduce that plant. :-) Dennis in Cincinnati