Vernonia gigantea

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.

Giant ironweed or tall ironweed is one of the tallest ironweeds, growing up to 10' high! It is exceptionally tough, succeeding on dry, average, moist, or wet soil in full sun or part shade. However, it is happiest and grows tallest on medium soil.

Zones: 5 to 8
Family: Asteraceae
Type: Perennial
Height: 60 to 96 in.
Spread: 36 to 72 in.
Exposure: Full Sun to Part Shade
Soil Conditions: Medium to Wet
Bloom Time: August to September
Bloom Color: purple-violet
Native Range: from Iowa and Kansas south to Texas and east to New York south to Florida with the exception New Jersey