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This plant is said to grow outdoors in the following regions:
Durham, Maine
Hagerstown, Maryland
Blanchard, Michigan
Deer River, Minnesota
Robertsville, Missouri
Coshocton, Ohio
Proving itself hardy in my zone and it is the first bloom in my season so far. Love the blue color.
Awards: Honorable Mention 1959
Proving itself hardy in my zone and it is the first bloom in my season so far. Love the blue color.
Awards: Honorable Mention 1959