Ironweed Seeds - Flower Plant for Home Gardens

Ironweed Seeds produce a perennial flowering plant commonly known in the United States as ironweed. Plants develop upright stems with lance-shaped green leaves and produce clusters of bright purple flowers. This plant thrives in full sun to partial shade with well-drained fertile soil and is suitable for garden beds, borders, or naturalized landscapes in temperate climates. Ironweed is hardy and attracts pollinators such as butterflies and bees.

Features

• Perennial flowering plant

• Upright growth with lance-shaped leaves

• Produces clusters of bright purple flowers

• Suitable for garden beds, borders, and naturalized landscapes

• Adapted to full sun or partial shade

Specifications

• Scientific Name: Vernonia spp.

• Common Name (US): Ironweed

• Seed Type / Variety: Perennial flowering plant

• Growth Habit: Upright perennial

• USDA Zones: 4–9

• Planting Season: Early spring

• Growing Season: Spring to fall

• Sowing Season:

  • March–May

• Germination Time and Conditions: 14–28 days at 65–75°F (18–24°C)

• Sunlight Requirements: Full sun to partial shade

• Soil Requirements: Well-drained fertile soil, pH 6.0–7.5

• Watering Needs: Moderate, consistent moisture

• Mature Plant Size: 3–6 feet height; 2–4 feet spread

• Plant Spacing: 18–24 inches apart