Glossy, dark green blades with sharp edges that turn yellow in the fall. Comb-like, straw colored flowers extend above the foliage July-August. 4 -7 ‘ tall. Full sun-part shade. Best grown in rich, moist-wet soil. Tolerates sandy and rocky soils. Will spread aggressively by rhizomes. Drought tolerant. Northeastern U.S. native. Zone 4.

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