Roundleaf Thoroughwort
Eupatorium rotundifolium
Found in pine savannas, seepage bogs, moist to dry woodlands, roadsides. Weakley, Flora of the Southeastern United States (2025), Florida edition What its natural habitat tells you
Native to Florida. How scores work Is it native here?
Profile 100%
- Height
- Up to about 3 feet
- Light
- Full sun, Partial shade
- Soil moisture
- Somewhat dry to moist

At a glance
- Life cycle
- Perennial
- Bloom
- Summer and fall
Not yet recorded · Spread · Leaves
Recorded in 61 Florida counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

Open, fire-kept longleaf pine stands over grasses and wildflowers on wet to moist sandy soil.
Open, wet, seepage-fed bogs of the Coastal Plain and Sandhills, often with pitcher plants.
Forests and open woodlands on dry ridges and slopes, often oak or pine.
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Florida. Shared habitat, not food. 79 animals.
- Common NighthawkChordeiles minor
- Cooper's HawkAccipiter cooperii
- Dark-eyed JuncoJunco hyemalis
- Double-crested CormorantPhalacrocorax auritus
- Downy WoodpeckerPicoides pubescens
- Eastern BluebirdSialia sialis
- Eastern KingbirdTyrannus tyrannus
- Eastern PhoebeSayornis phoebe
- Eastern Screech-owlMegascops asio
- Eastern TowheePipilo erythrophthalmus
- Eastern Wood-peweeContopus virens
- Eurasian Collared-doveStreptopelia decaocto
- European StarlingSturnus vulgaris
- Fish CrowCorvus ossifragus
- Fox SparrowPasserella iliaca
- Golden-crowned KingletRegulus satrapa
- Great Crested FlycatcherMyiarchus crinitus
- Great Horned OwlBubo virginianus
- Hairy WoodpeckerPicoides villosus
- Hermit ThrushCatharus guttatus
- Hooded MerganserLophodytes cucullatus
- Magnificent FrigatebirdFregata magnificens
- Mourning DoveZenaida macroura
- Northern BobwhiteColinus virginianus
Who uses this plant?
38CaterpillarsGenus host records with ranges including FL
Genus host records with ranges including FL · Eupatorium
- Anavitrinella pampinariaCommon Gray, Cranberry Spanworm
- Carmenta bassiformisEupatorium Borer Moth, Ironweed Clearwing Moth
- Carmenta pyralidiformisBoneset Borer Moth
- Carmenta texanaTexana Clearwing Moth
- Celastrina neglectaSummer Azure
- Chlorochlamys chloroleucariaBlackberry Looper Moth
- Chlorostrymon simaethisSilver-Banded Hairstreak
- Chrysodeixis includensSoybean Looper Moth
- Cisseps fulvicollisYellow-Collared Scape Moth
- Condica vecorsDusky Groundling
Show all 38
- Dichomeris setosellaHairy Dichomeris
- Digrammia continuataCurve-Lined Angle
- Dysodia oculatanaEyed Thyris
- Estigmene acreaSalt Marsh Moth, Acrea Moth
- Eugnosta erigeronanaFleabane Cochylid
- Eupithecia miserulataCommon Eupithacia, Common Pug
- Haploa clymeneClymene Moth
- Hellinsia unicolorUnmarked Plume Moth
- Oedemasia concinnaRed-Humped Caterpillar, Red-Humped Appleworm
- Oenobotys vinotinctalisWine-Tinted Oenobotys Moth
- Oidaematophorus eupatoriiEupatorium Plume Moth
- Orthodes majusculaRustic Quaker, Rustic Groundcat
- Ostrinia obumbratalisSmartweed Borer
- Papaipema cataphractaBurdock Border, Potato-Stalk Borer
- Papaipema harrisiiHeracleum Stem Borer Moth, Cow Parsnip Borer
- Patania silicalisHerbivorous Patania, Herbivorous Pleuroptya
- Perigea xanthioidesRed Groundling
- Platynota flavedanaBlack-Shaded Platynota
- Platynota rostranaOmnivorous Platynota
- Pleuroprucha insulsariaCommon Tan Wave
- Schinia trifasciaThree-Lined Flower Moth
- Spoladea recurvalisHawaiian Beet Webworm
- Synchlora frondariaSouthern Emerald
- Tornos scolopacinariaDimorphic Gray
- Dichomeris aglaia
- Dichrorampha leopardana
- Hellinsia habecki
- Niasoma metallicana
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
1BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Eupatorium
- Ortalis vetulaPlain Chachalaca
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
Plant details
- Family
- Asteraceae
- Hardiness
- Zones 4a–8b
- Soil pH
- Neutral
- Flower color
- White
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “Summer and fall” · NC Extension Plant Toolbox (ranked first; Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition differs)
- Flower color · “White” · NC Extension Plant Toolbox
- Hardiness · “Zones 4a–8b” · NC Extension Plant Toolbox
- Height · “Up to about 3 feet” · Lady Bird Johnson Wildflower Center
- Life cycle · “Perennial” · NC Extension Plant Toolbox
- Light · “Full sun (6 or more hours of direct sunlight a day); Partial shade (direct sunlight only part of the day, 2-6 hours)” · NC Extension Plant Toolbox
- primary_flower_color · “white” · NC Extension Plant Toolbox
- Soil · “Moist; Occasionally dry; Occasionally wet” · NC Extension Plant Toolbox
- Soil pH · “Neutral” · NC Extension Plant Toolbox
Conservation status
| Florida rank | SNR |
|---|---|
| Global rank | G5 |
| FL status | Not verified |
| Federal status | Not verified |
Will it fit your yard?
Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.
Sources
- Atlas of Florida Plants
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025), Florida edition
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- 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
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications

























