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Tall ironweed

Vernonia angustifolia

Also called Narrow Leaf Ironweed

Tall ironweed
Photo: Melissa McMasters, CC BY 2.0

Tall ironweed is a native North American wildflower of the Daisy family that grows in pine savannas and open woods in the southeastern United States, valued by pollinating bees. It is grown mainly for pollinator and native-habitat plantings and suits a sunny spot with well-drained soil.

Family
Asteraceae (Daisy family)
Grows as
Palm
Light
Full sun
Water
Water during establishment, then rely mostly on rainfall; it tolerates dry spells once settled.
Soil
Well-drained, sandy or loamy soil; tolerates poor soil.
Temperature
Hardy in temperate climates of the southeastern US; cold-hardy to about -15 °C.
How easy
Easy
Native range
SE. U.S.A.
Climate
temperate

About

Vernonia angustifolia is a species of flowering plant in the family Asteraceae, native to the southeastern United States (Alabama, Florida, Georgia, Louisiana, Mississippi, North Carolina and South Carolina). It was first described by André Michaux in 1803.

Within the United States' Coastal Plain region, this species has been observed in habitats such as longleaf pine savannas, second growth hardwood systems, slash pine-wiregrass flats, and cabbage palm hammocks.

Where it grows

Vernonia angustifolia is insect pollinated and is recorded to have been visited in northern Florida by Lasioglossum reticulatum, Megachile albitarsis, Megachile georgica’', Megachile inimica, Megachile mendica, Megachile petulans, Megachile texana, Melissodes comptoides, and Svastra atripes.

Other Vernonia plants

Stemless ironweed · Vernonia actaea · Vernonia alleizettei · Vernonia amoena · Vernonia ampandrandavensis · Vernonia anandrioides · Vernonia andapensis · Vernonia aosteana · Arkansas ironweed · Baldwin's ironweed · Vernonia beddomei · Florida ironweed

Text excerpted from the Wikipedia article Vernonia angustifolia by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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