Iron Butterfly Ironweed is a compact coarse herbaceous perennial with rough serrated bright green lance-like foliage on stiff upright stems. Loose terminal clusters of fluffy bright violet flowers bloom in summer before giving way to rusty seed clusters. Grows best in full sun and average to dry well-drained soils.
Type: |
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Origins: |
Arkansas and Oklahoma |
Height: |
2' - 3' |
Spread: |
2’ - 3' |
Spacing: |
2.5' |
USDA Hardiness Zone: |
4 - 9 |
Culture: |
|
Bloom Color: |
Purple |
Season of Interest: |
MAINTENANCE NEEDS: Low Maintenance. Remove seed heads to prevent any unwanted self-seeding. No serious pests or diseases.
LANDSCAPE USES: Accents or Group Plantings, Borders, Naturalized Areas, Woodland Gardens, Rock Gardens, and Containers.
COMPANION PLANTS: Blue Fescue, Shasta Daisy, Rose
IMAGE: Krzysztof Ziarnek, Kenraiz, Vernonia lettermanii 'Iron butterfly' kz1, CC BY-SA 4.0