Vernonia gigantea

giant ironweed

Asteraceae (Compositae)

wildlife plant   wildlife plant   wildlife plant

FNPS provides this link to assist users in finding sources for native plants. In doing so, FNPS is not attesting to the accuracy of any information on the FANN webite. Some members of FANN may provide services that do not further the FNPS mission, and this link should not be considered to be an endorsement of any specific nursery, services that it provides that do not support the FNPS mission, or the quality of its products or services.

Use this link to get more info about this plant from the USF Institute for Systematic Botany

Plant Specifics

Form: flower
Life Span: long-lived perennial
Size: Height: 4-6 ft
Flower Color: flower color      purple
Phenology: winter dormant
Noted for: Showy flowers


Recommended Uses: Back of a moist wildflower garden. Can also use on the edges of natural or created wetlands and streams.
Propagation: Seed or division. Seeds are available through the Florida Wildflowers Growers Cooperative.
Availability: Native nurseries, Specialty providers, Seed
Light: light requirement   light requirement  
Moisture Tolerance:
Salt Tolerance: Not salt tolerant
Soil or other substrate: Sand, loam
Soil pH Range: Adaptable


wildlife plant   wildlife plant   wildlife plant  
Attracts native bees. May attract hummingbirds.
Native Habitats: Exposed sand and gravel bars of streams during low water, stream banks, hydric to wet mesic pine flatwoods. Rich soils. Ruderal.

Distribution and Planting Zones

Natural Range in Florida

USDA Zones:

USDA zones are based on minimum winter temperatures

Suitable to grow in:

Other Comments:

The genus name honors the English botanist William Vernon, who did fieldwork in North America.