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This plant is said to grow outdoors in the following regions:
Des Plaines, Illinois
Roscoe, Illinois
Hillsboro, Oregon
Salt Lake City, Utah
Pale leaves with a darker green edge. Maroon flowers. Like the species, this tolerates shade. Allan Armitag...Read Moree says that in eastern N. America this species is hardy in Z5-7. A recent introduction by Piet Oudolf.
Pale leaves with a darker green edge. Maroon flowers.
Like the species, this tolerates shade.
Allan Armitag...Read More