University of Wisconsin-Madison

New York Ironweed

Vernonia noveboracensis

Plant name: New York Ironweed Vernonia noveboracensis This plant features lance-shaped, deep green leaves with a rough, textured surface and prominent veins.

Plant Information

Type: Herbaceous Perennial
Zone: 5, 6, 7, 8, 9
Bloom Time: Aug - Sep
Height: 48-72 inches
Light Requirements: Full sun
Soil Conditions: Average well-drained soil, Tolerates periodic moisture
Flower Color: Purple
Special Characteristics:
  • Shrub-like perennial
  • Deep nice green foliage with clusters of purple flowers at the end of summer
  • Great structure
  • Nice rust colored seedheads provide winter interest
  • Cut back stems to ground in spring
  • It gets its 'ironwood' name due to the tough stems and iron/rusty color of fading flowers and seedheads
  • Deer tolerant