100 Narrowleaf Ironweed Seeds Vernonia angustifolia Native Purple Wildflower Prairie Perennial

Vernonia angustifolia, commonly known as narrowleaf ironweed, is a native perennial wildflower prized for its slender, deep green foliage and vibrant purple flower clusters that bloom from mid-summer into early fall. This prairie native brings vertical interest and long-lasting color to meadows, pollinator gardens, and naturalized landscapes.

Its abundant blooms are highly attractive to bees and butterflies, making it a valuable addition to wildlife-friendly plantings. Narrowleaf ironweed performs well in borders, cottage gardens, and restoration projects, and its upright habit pairs nicely with native grasses and other perennials. It thrives in full sun and well-drained soils, tolerating heat and drought once established, with minimal maintenance required. Species: Vernonia angustifolia. Type: Herbaceous perennial. Plant_Habit: Upright, clump-forming. Sun: Full sun. Soil: Well-drained, sandy to loamy; tolerates poor soils. Days_to_Harvest: Not applicable. Zones: Perennial in USDA zones 6-9. Germination: Cold stratification recommended for 30 days; surface sow and keep moist. Sowing: 8-10 weeks before last frost; lightly cover seed. Spacing: 18-24 inches apart. Notes: Deadhead to prolong bloom; divide clumps every few years in early spring.