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Vernonia lettermanii
Vernonia Iron Butterfly
Narrowleaf Ironweed
Plant Characteristics of Vernonia lettermanii
Additional Detals about Vernonia Iron Butterfly
| Height | 24-36 Inches |
| Spread | 18-24 Inches |
| Hardiness Zone | 4 |
| Intro Year | 2025 |
| Color |
Purple |