Or mixed or both? I have mine mixed with other perennials and Ima thinkin' that's not an option for me. I have the sun on their backs, adequate but not too much water, and here's the kicker. I fertilize too much. I'm not aiming for the iris themselves but I know they are getting too much fert. HUGE fans. No blooms.
I'm not looking to make iris only beds, I've done that with daylilies and now I'm undoing it. I'd love to hear how y'all manage your mixed beds.