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Iron Butterfly Ironweed

Vernonia lettermannii 'Iron Butterfly'
$11.50
A bold, native perennial with striking deep purple flowers and dark, textured foliage. Grows 2 to 3 feet tall and 1 to 2 feet wide. Iron Butterfly Ironweed thrives in USDA zones 5 through 9 and is perfect for adding dramatic color and texture to Texas landscapes.
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$11.50
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Product Details

Iron Butterfly Ironweed

Vernonia lettermannii 'Iron Butterfly'

Iron Butterfly Ironweed is a robust native perennial celebrated for its vivid, deep purple flower clusters that bloom in late summer to fall, providing eye-catching color when many other plants are fading. Its dark green, almost black foliage creates a bold, sculptural contrast that enhances the visual impact of its blooms. Reaching 2 to 3 feet tall and 1 to 2 feet wide, Iron Butterfly Ironweed forms a strong, upright clump that works beautifully in beds, borders, and naturalized plantings. This hardy perennial tolerates heat, drought, and a variety of soil types, making it exceptionally suited to Texas landscapes. 

  • Native perennial
  • Striking deep purple flower clusters
  • Upright, clumping growth habit with dark foliage
  • Excellent for beds, borders, and naturalized landscapes
  • Heat- and drought-tolerant, pollinator-friendly

Iron Butterfly Ironweed thrives in full sun to partial shade and prefers well-drained soil. Hardy in USDA zones 5 through 9, it delivers dramatic color, structure, and ecological benefits, making it a standout choice for vibrant and resilient Texas landscapes.

Special Features

Drought Tolerant
Compact Growth Habit
Eye-catching Flowers
Wildlife Friendly
Easy Care and Adaptable
Leaf Retention:Herbaceous
Scientific Name:Vernonia lettermannii 'Iron Butterfly'
Sun Needs:Full sun
Maturity:2' H x 1.5' W
Leaf Color:Striking purple blooms adorn lush green foliage that transforms to golden-yellow in autumn.
Flower Color:Purple
Bloom Times:Summer & Fall

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Iron Butterfly Ironweed
Iron Butterfly Ironweed

This plant

Aromatic Aster
Scientific NameVernonia lettermannii 'Iron Butterfly'Symphyotrichum oblongifolium
Size at Maturity2' H x 1.5' W2' H x 2' W
Leaf RetentionHerbaceousHerbaceous
Flower ColorPurplePurple
Bloom TimesSummer & FallSummer & Fall
Sizes Available1 Gal1 Gal
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If any plants or trees installed by Treeland fail to thrive within the first year, we'll provide a replacement credit in accordance with our guarantee program. View our guarantee policy.

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