California has it's own issues, and drought is one of them, which appears to cause all sorts of problems with iris growers from what I hear from a few people out there. We don't really have drought problems here on the East coast. So, I definitely would expect that Iris rhizomes will perform differently here than in California.
Right now I'm having a problem with something eating my rhizomes (I have infact posted a thread addressing that problem). So I'm not sure at this point how many of the Historic rhizomes
I've planted will infact be intact enough next Spring to bloom. Whatever blooms I will for sure post photo's of to show you. Thank you for your interest and Thank you for your reply to my thread.