This plant is said to grow outdoors in the following regions:
Tucson, Arizona
Durham, Maine
Deer River, Minnesota
Robertsville, Missouri
Coshocton, Ohio
Roseburg, Oregon
Beaver Falls, Pennsylvania
Greeneville, Tennessee
Midland, Texas
Portsmouth, Virginia
Purcellville, Virginia
Augusta, Wisconsin
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Very hardy and velvety cranberry red. Love this one and it multiplies very quickly in my zone.
American Iris Society Awards: Honorable Mention 1997; Award of Merit 1999; Knowlton Medal 2001
I grow this one too, and am surprised at the many increases it produces. The color is rich and deep here in Oro Valley/Tucson area.