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Clasping Coneflower Rudbeckia amplexicaulis (Asteraceae) A hardy annual native to the southeastern United States, and has naturalized throughout most of North America. The identifiable black, cone-shaped heads are surrounded by bright yellow, drooping reflexed ray flowers. Prefers full sun in various soil conditions. Often forms dense colonies in moist areas.
Average planting success with this species: 80%
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