I discuss Dutch iris in Texas in the manuscript of my bulb book. Now Timber Press wants to know about growing them in the South/ Southeast. Anyone out there who has successfully grown them for more than one season in North Carolina, Virginia, Tennessee, Missouri, anywhere? Negative information also appreciated - Anybody tried them unsuccessfully? Inquiring minds want to know. As the saying goes: curiosity killed the cat. I'd extend that to: Satisfaction brought her back. Judy in New Jersey where winter has returned with morning temperatures of 15.4° Fahrenheit and strong gusty winds.