This plant is said to grow outdoors in the following regions:
Tuscaloosa, Alabama
Denver, Colorado
Chicago, Illinois
Lexington, Massachusetts
Robertsville, Missouri
Shepherd, Montana
Newfoundland, New Jersey
Valdese, North Carolina
Lawton, Oklahoma
West Chester, Pennsylvania
Greeneville, Tennessee
Paine Field-Lake Stickney, Washington
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This is one of my favorites. It has large flowers with more of a blue/purple color. It is a beautiful flower.
American Iris Society Awards: Honorable Mention 2004; Award of Merit 2007