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Mohr's Thoroughwort

Eupatorium mohrii

Found in moist pine savannas, other wet habitats. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you

81
Keystone

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

Profile 94%

Height
Up to about 3 feet 4 inches
Light
Sun
Soil moisture
Moist to wet
Will it fit your yard?

At a glance

Life cycle
Perennial
Leaves
Deciduous
Bloom
August to October

Not yet recorded · Spread

Recorded in 18 Virginia counties.

Natural habitats

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

Pine savannas

Sandy Pine Savanna, Rush Featherling subtype
Sandy pine savanna. Shown: Shaken Creek Preserve, Pender and Onslow Counties, North Carolina, a neighboring state.Sandy Pine Savanna, Rush Featherling subtype, Robert Thornhill, undated. CC BY 4.0. Source record.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Virginia. Shared habitat, not food. 92 animals.

All wildlife of Virginia

Ecological relationships

Who uses this plant?

What these records mean

40CaterpillarsGenus host records with ranges including VA

Genus host records with ranges including VA · Eupatorium

  • Agonopterix pulvipennellaGoldenrod Leaffolder, Featherduster Agonopterix
  • Anavitrinella pampinariaCommon Gray, Cranberry Spanworm
  • Carmenta bassiformisEupatorium Borer Moth, Ironweed Clearwing Moth
  • Carmenta pyralidiformisBoneset Borer Moth
  • Celastrina neglectaSummer Azure
  • Chlorochlamys chloroleucariaBlackberry Looper Moth
  • Chrysodeixis includensSoybean Looper Moth
  • Cisseps fulvicollisYellow-Collared Scape Moth
  • Condica vecorsDusky Groundling
  • Dichomeris setosellaHairy Dichomeris
Show all 40
  • Digrammia continuataCurve-Lined Angle
  • Dysodia oculatanaEyed Thyris
  • Estigmene acreaSalt Marsh Moth, Acrea Moth
  • Eupithecia miserulataCommon Eupithacia, Common Pug
  • Feltia subgothicaSubgothic Dart
  • Feltia tricosaConfused Dart, Tricose Dart
  • Haploa clymeneClymene Moth
  • Leucospilapteryx venustellaSnakeroot Leafminer
  • 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
  • Papaipema eupatoriiJoe-Pye Weed Borer, Eupatorium Borer Moth
  • Papaipema harrisiiHeracleum Stem Borer Moth, Cow Parsnip Borer
  • Perigea xanthioidesRed Groundling
  • Platynota flavedanaBlack-Shaded Platynota
  • Platynota rostranaOmnivorous 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
  • Agonopterix atrodorsella
  • Agonopterix eupatoriiella
  • Chionodes pseudofondella
  • Dichomeris washingtoniella
  • Dichrorampha leopardana
  • Niasoma metallicana
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 or pink

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

Growing sources and scope

Conservation status

Virginia rankSNR
Global rankG4?
VA statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources