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This plant is said to grow outdoors in the following regions:
Mount Prospect, Illinois
Winnetka, Illinois
The Royal Horticultural Society has given this cultivar its coveted Award of Garden Merit. This species is hardy in Z4....Read More /> Also a good rock garden plant.
The Royal Horticultural Society has given this cultivar its coveted Award of Garden Merit.
This species is hardy in Z4.
...Read More