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Vernonia lettermannii 'Iron Butterfly'
Vernonia lettermannii 'Iron Butterfly'
Common Name: ironweed

This selection of the Arkansas native comes to us from Dr. Allan Armitage's trials at the University of Georgia. It has lovely fine foliage like Amsonia hubrichtii and is a compact, well-branched and vigorous plant. In late summer it is covered with true purple flowers that attract plenty of butterflies. Found in rocky flood plains, Vernonia lettermannii is very tolerant of hot, dry locations, yet can withstand brief periods of inundation.

Height: 30-36 Inches
Spread: 30-36 Inches
USDA Hardiness Zone: 4-9