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This plant is said to grow outdoors in the following regions:
Meridian, Idaho
Wayzata, Minnesota
Huntington, West Virginia
This one bloomed it's head off for me this year, lots of blossoms per stem and a long blooming period.
Reckamp,1966
This one bloomed it's head off for me this year, lots of blossoms per stem and a long blooming period.
Reckamp,1966