Vernonia lettermanii 'Iron Butterfly' ~ Iron Butterfly Ironweed gardener's-confidence-collection well-drained soil but is drought

well-drained soil but is drought tolerant once established

Sort panicles of small greenish flowers grow on new growth and give way to the fruit in fall if pollinated

(2) manuel m

Black Adder Giant Hyssop is also drought-tolerant once established

Vernonia lettermanii 'Iron Butterfly' ~ Iron Butterfly Ironweed gardener's-confidence-collection well-drained soil but is droughtIron 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: Perennial Origins: Arkansas and Oklahoma Height: 2' 3' Spread: 2 3' Spacing: 2. 5' USDA Hardiness Zone: 4 9 Culture: Full Sun Bloom