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Vernonia lettermannii 'Iron Butterfly'


Vernonia 'Iron Butterfly' has feathery foliage topped with clusters of warm purple flowers in late summer and fall.

'Iron Butterfly' is a fantastic perennial with a great name and feathery foliage to three feet topped with clusters of warm purple flowers that are attractive to butterflies. A compact, well-branched and vigorous plant. Blooms in late summer. Found in rocky flood plains,Vernonia lettermannii is very tolerant of hot dry locations, yet can withstand brief periods of inundation.

Common Name: Ironweed

Family: Asteraceae (The Aster Family)

Zone Hardiness: 4-9

Light: Full Sun

Height: 2-4'

Width: 2-3'

Primary Bloom Colour: Purple

Secondary Bloom Colour:

Class: Deciduous

Type: Perennial

Bloom Time: Summer - Fall

Soil Moisture: Dry, Average, Moist

Stem Colour:

Fragrance: No

Berries: No

Benefits: Butterflies, Bees

Deer Resistant: Unknown

BC Native: No

Native Habitat: Gravel bars and in the cracks of rocks in the drainage areas.


Geogrpahical Origin: Americas - North America

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