narrow leaf ironweed ‘Iron Butterfly’

Vernonia lettermannii ‘Iron Butterfly’ (narrow leaf ironweed ‘Iron Butterfly’)

Botanical Name Vernonia lettermannii ‘Iron Butterfly’
Common Name narrow leaf ironweed ‘Iron Butterfly’
Family Liliaceae
USDA Zone 4 thru 9
Light Requirement Full Sun
Season(s) of interest summer, fall, winter
Height and Spread 2.5-3ft x 2.5-3ft (75-90cm x 75-90cm)
Flower Color Purple
Attracts Wildlife Hosts Caterpillars of Butterflies/Moths, Attracts Pollinators,
Additional Information Not Native to the US Midwest. Cultivated Form of a Plant Native to Arkansas
Location in Lurie Garden North Dark Plate, East Dark Plate


Average Flowering Time