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New York Ironweed

Vernonia noveboracensis

Found in pastures, bottomlands, streamsides, swales, wet meadows and thickets, margins of serpentine barrens, other alluvial and open or disturbed habitats. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you

76
Strong

Native to Virginia. How scores work Is it native here?

Profile 100%

Height
5–8 feet
Spread
3–4 feet
Light
Full sun, Partial shade
Soil moisture
Usually moist

Space about 3.5 ft apart from its recorded spread, about 8 per 100 sq ft. Enter your bed size for a count

Will it fit your yard?

At a glance

Life cycle
Perennial
Leaves
Deciduous
Bloom
July to September
Fruiting season
August to October

Recorded in 94 Virginia counties.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

1 of 6

Streams, rivers and their banks

Watauga Falls
Named place / source context. Shown: Watauga Falls, North Carolina, a neighboring state.Watauga Falls, Illustrator/engraver not confidently attributed; reproduced in Zeigler and Grosscup, The Heart of the Alleghanies (1883), 1883. Public domain. Source record.

Forest edges and thickets

Wooded scene looking out over partially open fields
Named place / source context. Shown: Chickamauga and Chattanooga National Military Park, Georgia and Tennessee; which part is not recorded, a neighboring state.Wooded scene looking out over partially open fields, Richard Schlecht, undated. Public domain. Source record.

Roadsides, fields and disturbed ground

Ground opened by people: roadsides, old fields, pastures, fencerows and lots.

Floodplain and bottomland forests

Forests on low ground beside rivers and streams that flood from time to time.

Wet meadows

Open, wet, grassy or sedgy ground that is not a bog.

Glades, barrens and outcrops on mafic or serpentine rock

Open, thin-soil openings, outcrops and cliffs on dark, magnesium- or iron-rich rock such as serpentine, diabase or gabbro.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Virginia. Shared habitat, not food. 139 animals.

All wildlife of Virginia

Ecological relationships

Who uses this plant?

What these records mean

28CaterpillarsGenus host records with ranges including VA

Genus host records with ranges including VA · Vernonia

  • Acleris subnivanaBent-Wing Acleris, Common Acleris
  • Anavitrinella pampinariaCommon Gray, Cranberry Spanworm
  • Apantesis partheniceParthenice Tiger Moth
  • Archips rileyanaSouthern Ugly-Nest Caterpillar Moth
  • Carmenta bassiformisEupatorium Borer Moth, Ironweed Clearwing Moth
  • Chlorochlamys chloroleucariaBlackberry Looper Moth
  • Dichomeris setosellaHairy Dichomeris
  • Estigmene acreaSalt Marsh Moth, Acrea Moth
  • Eupithecia miserulataCommon Eupithacia, Common Pug
  • Hellinsia paleaceusOne-Spotted Plume Moth
Show all 28
  • Lophocampa maculataSpotted Tussock Moth, Yellow-Spotted Tiger Moth
  • Papaipema baptisiaeWild Indigo Borer, Indigo Stem Borer
  • Papaipema cerussataIronweed Borer Moth
  • Perigea xanthioidesRed Groundling
  • Phlogophora irisOlive Angle Shades
  • Platynota idaeusalisTufted Apple-Bud Moth
  • Pleuroprucha insulsariaCommon Tan Wave
  • Polygrammodes flavidalisIronweed Root Moth, Vernonia Root-Borer
  • Spodoptera ornithogalliYellow-Striped Armyworm Moth, Cotton Cutworm
  • Synchlora aerataWavy-Lined Emerald, Camouflaged Looper
  • Synchlora frondariaSouthern Emerald
  • Thyridopteryx ephemeraeformisEvergreen Bagworm Moth
  • Vanessa virginiensisAmerican Lady, American Painted Lady
  • Coleophora vernoniaeella
  • Dichomeris washingtoniella
  • Paralobesia sambuci
  • Paralobesia vernoniana
  • Thyraylia bunteana
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
46BeesSoutheastern regional records

Southeastern regional records · Vernonia

Individual names are not available yet.

Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
9Specialist beesPollen specialists

Pollen specialists · Vernonia

  • Andrena placata
  • Melissodes denticulatus
  • Melissodes druriellus
  • Melissodes microstictus
  • Melissodes niveus
  • Melissodes subillatus
  • Melissodes trinodis
  • Melissodes vernoniae
  • Perdita octomaculata
Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
—BirdsRecorded genus food-resource interactions; not a state feeding claim

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Growing and identification

Plant details

Family
Asteraceae
Hardiness
Zones 5a–9b
Soil pH
Acidic
Flower color
Purple
Growth rate
Moderate
Growth habit
Several stems
Foliage color
Dark green
Fruit begins
August
Fruit ends
October

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope

Conservation status

Virginia rankS5
Global rankG5
VA statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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How to check your spot

Growing cautions

For planning only; these do not change the score or Fit.

Sources