Vernonia lettermannii 'Iron Butterfly'
Ironweed-Narrowleaf
Vernonia lettermannii 'Iron Butterfly'
Ironweed-NarrowleafSelected from Alan Armitage's trials for its compact habit, vigorous growth and flower power; also a 5-star recipient from the Chicago Botanic Garden trials. Bright purple flowers appear prolifically above the clump of rust and powdery mildew resistant foliage. A favorite perennial of native plant enthusiasts.
Plant Details
- Zone: 4 - 9
- Height: 24-36"
- Spread: 28-36"
- Exposure: Full Sun
- Soil Moisture: Low Water Needs, Moderate Water Needs
- Drought tolerant: Yes, Once Established
- Bloom time: Early Fall, Late Summer, Mid-Fall
- Foliage Color: Green Shades
- Flower Color: Purple Shades
- Fragrant: No
- Good Cut Flower: No
- Native: Nativar
- Deer resistant: Yes
- Rabbit resistant: Yes
- Bee-friendly: Yes
- Attracts butterflies: Yes
- Attracts hummingbirds: Yes
- Groundcover: No
- Roy Diblik Favorite: Yes
Plant Details
- Zone: 4 - 9
- Height: 24-36"
- Spread: 28-36"
- Exposure: Full Sun
- Soil Moisture: Low Water Needs, Moderate Water Needs
- Drought tolerant: Yes, Once Established
- Bloom time: Early Fall, Late Summer, Mid-Fall
- Foliage Color: Green Shades
- Flower Color: Purple Shades
- Fragrant: No
- Good Cut Flower: No
- Native: Nativar
- Bee-friendly: Yes
- Deer resistant: Yes
- Rabbit resistant: Yes
- Attracts butterflies: Yes
- Attracts hummingbirds: Yes
- Groundcover: No
- Roy Diblik Favorite: Yes
Grower Information
- PowerPlug Size(s): 32s
- Optimal Planting Time: Spring
- Retail Sales Window: Fall, Summer
- Moisture in Production: Average, Low
- Requires Shade in Production: No
- Vernalization Required for Bloom: No
- Vernalization Beneficial: Yes