Threadleaf Ironweed (Vernonia Lettermannii 'Iron Butterfly') - Growing Guide | Neighborbrite

Threadleaf Ironweed (Vernonia Lettermannii 'Iron Butterfly') - Perennials

Grow conditions

Sunlight

Full sun

Hardiness zone

4-9

Min. Temperature

−29°F (−34°C)

Soil type

Loam, Sandy, Well drained

Soil pH

Acidic, Neutral, Alkaline

Threadleaf Ironweed

Vernonia Lettermannii 'Iron Butterfly'

Grow conditions

Sunlight: Full sun
Hardiness zone: 4-9
Min. Temperature: −29°F (−34°C)
Soil type: Loam, Sandy, Well drained
Soil pH: Acidic, Neutral, Alkaline

Plant traits

Mature height30-36 inches

Mature spread24-30 inches

Plant typePerennials

Bloom seasonSummer

Foliage typeDeciduous

Tolerance & safety

Drought tolerant❌No

Pet safe—Unknown

Deer resistant❌No

Pollinator-friendly—Unknown

Threadleaf Ironweed (Vernonia Lettermannii 'Iron Butterfly') - Perennials

Visualize this plant in your garden

Threadleaf Ironweed (Vernonia Lettermannii 'Iron Butterfly') - Perennials

See how Threadleaf Ironweed would look in your yard with Neighborbrite.

Start designing