This showy perennial grows to be about 3' tall and just as wide. It's purple flowers emerge late summer and will bloom until the first frost. It requires full sun and well drained soil. It supports a wide range of pollinators as well as its seeds being a food source for birds and small mammals. Keystone species that supports 100 caterpillars and 33 bee species.
 
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Rare to the state, only found in one county in the mountains. Click to view its range in North Carolina.