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Vernonia gigantea is commonly known as “Giant Ironweed” can grow 5-10′ tall in full sun to partial sun and moist to medium-moist soil. It’s primary native range is from Texas to Florida North to New York and Iowa. It is hardy from zones 5-8. Will spread via rhizomes.
Vernonia gigantea (Giant Ironweed) is a tall, clump-forming perennial boasting dense, broad, flattened clusters of tiny, fluffy, intense purple, finely petaled flowers in late summer and early fall. Each glorious flower head may consist of up to 30-50 flowers.
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Vernonia gigantea, commonly called giant ironweed, is one of the tallest of the ironweeds, growing to as much as 10’ tall in a growing season. It is native from New York to Missouri south to Georgia and Louisiana. In Missouri, it typically occurs in low woods along streams, valleys, low thickets, swamp borders, prairies and meadows (Steyermark).
Jan 20, 2024 · What Is Ironweed? Cultivation and History. Propagation. How to Grow. Growing Tips. Pruning and Maintenance. Species and Cultivars to Select. Managing Pests and Disease. Best Uses. Quick Reference Growing Guide. What Is Ironweed?
Jun 30, 2017 · Giant ironweed ( Vernonia gigantea) is a robust, perennial wildflower found naturally in floodplains, wet to mesic pine flatwoods and ruderal areas, and along forest margins and stream banks. Flowering occurs in summer and fall, with peak blooming in July. It attracts many pollinators, particularly butterflies. Photo by Mary Keim.
Ironweed (Vernonia) is a native perennial with vibrant purple or pink blooms. Loved by pollinators, it adds color and biodiversity to gardens and prairies. What is Ironweed? Vernonia, commonly known as ironweed, is a genus of about 350 species of flowering plants in the family Asteraceae, the same family as daisies and sunflowers.
Thanks to huge flower clusters—well over a foot across—giant ironweed always puts on a magnificent show, though. The 9-inch-long, grayish green leaves are impressive in size, and a hint of purple in the topmost ones and stems is a nice treat.
