Vernonia lettermannii 'Iron Butterfly'Deciduous flowering perennial growing to 30" tall and wide with attractive, clean ferny foliage. Mid-summer through fall the plant is covered by purple frilly flowers that is attractive to hummingbirds and butterflies. Native to Arkansas, this ironweed is easy to grow and drought tolerant once established. USDA zones 4-9 in cold hardiness. |
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