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Vernonia lettermannii 'Iron Butterfly'
Common Name: Narrowleaf Ironweed
'Iron Butterfly' Narrowleaf Ironweed has many bright purple star-like flowers that appear in late summer and fall. Foliage is delicate and thread-like on a compact plant. This Vernonia is very tolerant of site extremes, both dry and wet. Introduced by Dr. Allan Armitage and North Creek Nurseries. One of the native plants chosen by Piet Oudolf for the newly planted meadow garden at Delaware Botanic Gardens.
Height: 36 Inches
Spread: 24 Inches