Amsonia illustris

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Attractive glossy narrow foliage. Clump forming shrub-like habit. Light blue flowers. May – June. 36″ tall. Full sun – light shade; moist, well-drained soil. Spectacular glowing yellow fall foliage. Long-lived. Deer resistant. Attracts butterflies. Excellent in the mixed border and in masses. Midwest U.S. native. Zone 4.