Vernonia ‘Iron Butterfly’ (Ironweed)
Vernonia ‘Iron Butterfly’ (Ironweed)
Clusters of rich violet-purple flowers rise above tall, upright stems in late summer, creating a dramatic display that pollinators can’t resist. ‘Iron Butterfly’ is a refined native selection that delivers the bold color and wildlife value of traditional ironweed in a more garden-friendly form.
Its strong vertical presence and vibrant blooms make it a standout in sunny borders and pollinator plantings.
Bold. Upright. A magnet for butterflies.
LIGHT: Full sun
WATER: Moderate; prefers average to moist soil
SIZE: 36–48" tall by 24–30" wide
ZONE: Winter-hardy perennial; zones 4–9
Why preorder?
When you preorder, your plants are reserved just for you — no hoping they’re still available later. Limited drops mean the most sought-after varieties don’t linger.