Vernonia lettermannii 'Iron Butterfly'

Narrow Leaf Ironweed

Family: Asteraceae Aster


Type Perennial
USDA Hardiness range 4B - 9B
Exposure Full sun
Bloom color Purple
Bloom time Late Summer to Mid Fall
Water needs Dry to moist
Landscape uses Border, foundation, massing, specimen
Height 30" to 36" / 75cm to 90cm
Spread 30" to 36" / 75cm to 90cm
Growth rate Moderate
Persistence Deciduous
Bloom attributes Attracts butterflies, suitable for cut flowers
Leaf color Green
Fruit color n/a
Soil pH requirements Neutral
Soil type Sandy, loamy
Form Rounded
Attributes and features Attracts birds, native to North America, invasive, naturalizing