• Vernonia arkansana (curlytop ironweed)
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Vernonia arkansana | curlytop ironweed

This plant will not be available in 2026, however, propagation is planned/underway. Please sign up for the waitlist below to receive updates on availability in future years.

Ironweed are tall US natives that look quite similar to each other. All bloom late in the season; purple flowers are much loved by pollinators, especially butterflies.

Great ironweed aka Arkansas ironweed aka curlytop ironweed is easily identified by its long, thin, curly green bracts. Easy to grow on moist soil in full sun.

Zones: 3 to 8
Family: Asteraceae
Type: Perennial
Height: 36 in 60 in.
Spread: 36 to 48 in.
Exposure: Full Sun
Soil Conditions: Moist, average
Bloom Time: September to November
Bloom Color: purple-violet
Native Range: Illinois to Kansas south to Arkansas and Oklahoma

Special Characteristics
  • Pollinator favorite
  • Little to no care required (once established)
  • Architectural
image credits

Eric Hunt, CC BY-SA 4.0, via Wikimedia Commons

Vernonia arkansana (curlytop ironweed)

See all in this genus

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view this plant in our gardens:

Nursery: Greenhouse Garden | 2024

seedling image

Vernonia arkansana | curlytop ironweed

We are slowly creating a seedling image library to help make weeding easier.
garden location coming soongarden location coming soon
 
garden location coming soongarden location coming soon