Vernonia lettermannii 'Iron Butterfly' (Iron Butterfly Iron Weed)
Botanical Information
| Family | Asteraceae |
| Genus | Vernonia |
| Species | lettermannii |
| Cultivar | 'Iron Butterfly' |
| Category | Perennials |
Details
| USDA Hardiness Zone | 4 - 9 |
| USDA Hardiness Ref. | |
| Canada Hardiness Ref. | |
| RHS Hardiness Ref. | |
| Height | 70 - 90 cm |
| Spread | 60 - 70 cm |
| Growth | Fast |
| Flowering Period | August, September |
Description and Growing Information
| Shape | Upright, clump forming. |
| Habitat | Horticultural origin. |
Photographs
