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The species is a New England and Midwestern native, and this cultivar boasts royal purple rays surrounding yellow centers on a "daisy" flower that thickly covers this low , mounding, compact perennial — in short, it is a purple dome. Bloom time is late summer to fall, enriching the autumn garden with its wonderful contrast to the brighter oranges and yellows. Attracts birds, butterflies, and bees! 1.5 to 2' T x 2 to 3' W
Minimum temperature: -20° F