Vernonia noveboracensis New York Ironweed

General

A native North American perennial plant that belongs to the Asteraceae family. It typically grows tall, reaching heights of 3 to 6 feet (about 1 to 2 meters), and produces clusters of vibrant purple flowers in late summer to early fall. Its lance-shaped leaves and robust stem make it a striking addition to wet meadows, stream banks, and other moist habitats across its range in eastern and central North America.

Plant Description

Tall, sturdy stems adorned with lance-shaped leaves that alternate along its length. Its vibrant purple flowers form dense clusters atop the stems, creating a striking contrast against its dark green foliage. This native North American perennial typically reaches heights between 3 to 6 feet (about 1 to 2 meters), making it a prominent feature in wetlands and moist habitats.

Height (ft)
3-6'

Soil moisture
Moist to wet

Soil types
Loamy, sandy or clay soils

Wetland indicator
FACW+

Shade tolerance
Full Sun

Bloom color
Purple

Bloom period
Mid-summer to early fall

Drought tolerance
Low

Salinity tolerance
Intolerant

 

Range

Ranging from the eastern seaboard to the Great Plains region. It can be found in states such as New York, Pennsylvania, Ohio, Indiana, Illinois, Missouri, and southward through the Appalachian Mountains into the southeastern United States.

Kartesz, J.T. 2024. Floristic Synthesis of North America, Version 1.0. Biota of North America Program (BONAP) [website http://bonap.org/]

Additional Information

According to BRIT - Native American Ethnobotany Database, the Cherokee have used infusions of this root to treat pains after childbirth, stomach ulcers, and for tooth aches.