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Wedgeleaf Thoroughwort

Eupatorium glaucescens

In the Carolinas and Georgia, found in longleaf pine sandhills, dry sandy woodlands. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you

81
Keystone

Native to Arkansas (estimated). How scores work Is it native here?

Profile 94%

Height
Up to about 3 feet
Light
Full sun
Soil moisture
Dry to moist
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At a glance

Life cycle
Perennial
Bloom
July to October

Not yet recorded · Spread · Leaves

Recorded in 9 Arkansas counties.

Ecological relationships

Who uses this plant?

What these records mean

33CaterpillarsGenus host records with ranges including AR

Genus host records with ranges including AR · Eupatorium

  • Anavitrinella pampinariaCommon Gray, Cranberry Spanworm
  • Carmenta bassiformisEupatorium Borer Moth, Ironweed Clearwing Moth
  • Carmenta pyralidiformisBoneset Borer Moth
  • Carmenta texanaTexana Clearwing Moth
  • Chlorochlamys chloroleucariaBlackberry Looper Moth
  • Chrysodeixis includensSoybean Looper Moth
  • Cisseps fulvicollisYellow-Collared Scape Moth
  • Condica vecorsDusky Groundling
  • Dichomeris setosellaHairy Dichomeris
  • Digrammia continuataCurve-Lined Angle
Show all 33
  • Dysodia oculatanaEyed Thyris
  • Estigmene acreaSalt Marsh Moth, Acrea Moth
  • Eugnosta erigeronanaFleabane Cochylid
  • Eupithecia miserulataCommon Eupithacia, Common Pug
  • Feltia subgothicaSubgothic Dart
  • Haploa clymeneClymene Moth
  • Oedemasia concinnaRed-Humped Caterpillar, Red-Humped Appleworm
  • Oidaematophorus eupatoriiEupatorium Plume Moth
  • Orthodes majusculaRustic Quaker, Rustic Groundcat
  • Ostrinia obumbratalisSmartweed Borer
  • Papaipema cataphractaBurdock Border, Potato-Stalk Borer
  • Patania silicalisHerbivorous Patania, Herbivorous Pleuroptya
  • Perigea xanthioidesRed Groundling
  • Platynota flavedanaBlack-Shaded Platynota
  • Pleuroprucha insulsariaCommon Tan Wave
  • Schinia trifasciaThree-Lined Flower Moth
  • Spoladea recurvalisHawaiian Beet Webworm
  • Synchlora aerataWavy-Lined Emerald, Camouflaged Looper
  • Synchlora frondariaSouthern Emerald
  • Tornos scolopacinariaDimorphic Gray
  • Chionodes pseudofondella
  • Dichomeris washingtoniella
  • Platynota nigrocervina
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
34BeesSoutheastern regional records

Southeastern regional records · Eupatorium

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
2Specialist beesPollen specialists

Pollen specialists · Eupatorium

  • Colletes simulans
  • Megachile xylocopoides
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
1BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Eupatorium

  • Ortalis vetulaPlain Chachalaca
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening

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

Growing and identification

Plant details

Family
Asteraceae
Flower color
White

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

Growing sources and scope
Also known as

Eupatorium cuneifolium; Eupatorium linearifolium

Conservation status

Arkansas rankSNR
Global rankG5
AR statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources