Quercus

Brown-eyed Susan

Rudbeckia triloba

Native to South Carolina (estimated)

Care

  • Optional bloom tip: Removing spent flowers can encourage more blooms.
Care sources
Ecological relationships

Who uses this plant?

19CaterpillarsGenus host records with ranges including SC

Genus host records with ranges including SC · Rudbeckia

  • Chlosyne nycteisSilvery Checkerspot
  • Acharia stimuleaSaddleback Caterpillar Moth
  • Adaina ambrosiaeAmbrosia Plume Moth, Ragweed Plume Moth
  • Archips griseaGray Archips
  • Chlorochlamys chloroleucariaBlackberry Looper Moth
  • Epiblema carolinanaGray-Blotched Epiblema
  • Epiblema tripartitanaThree-Parted Epiblema
  • Eupithecia miserulataCommon Eupithacia, Common Pug
  • Homoeosoma electellaSunflower Moth
  • Lithophane unimodaDowdy Pinion
Show all 19
  • Orthotaenia undulanaDusky Leafroller
  • Papaipema cataphractaBurdock Border, Potato-Stalk Borer
  • Papaipema nebrisStalk Borer
  • Phtheochroa birdanaBird's Cochylid
  • Synchlora aerataWavy-Lined Emerald, Camouflaged Looper
  • Synchlora frondariaSouthern Emerald
  • Vanessa carduiPainted Lady, Cosmopolite
  • Paralobesia rhoifructana
  • Teladoma helianthi
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
56BeesSoutheastern regional records

Southeastern regional records · Rudbeckia

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
25Specialist beesPollen specialists

Pollen specialists · Rudbeckia

  • Andrena aliciae
  • Andrena asteris
  • Andrena rudbeckiae
  • Diadasia enavata
  • Dieunomia bolliana
  • Dieunomia heteropoda
  • Megachile inimica
  • Megachile parallela
  • Megachile pugnata
  • Megachile xylocopoides
Show all 25
  • Melissodes bidentis
  • Melissodes boltoniae
  • Melissodes coreopsis
  • Melissodes denticulatus
  • Melissodes dentiventris
  • Melissodes desponsus
  • Melissodes druriellus
  • Melissodes illatus
  • Melissodes subillatus
  • Melissodes trinodis
  • Melissodes wheeleri
  • Paranthidium jugatorium
  • Perdita octomaculata
  • Protandrena albitarsis
  • Protandrena andrenoides
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
1AntsRecorded seed interactions
  • Lasius neoniger

Lasius neoniger: Seed predation.

Beetles 1
  • Epicauta pennsylvanica

Flower visits · Carlinville, Illinois, USA

Flies 22
  • Anthrax fulvohirta
  • Anthrax halcyon
  • Archytas analis
  • Cistogaster occidua
  • Eristalis latifrons
  • Exoprosopa decora
  • Exoprosopa fasciata
  • Exoprosopa fascipennis
  • Geron rufipes
  • Leskiomima secunda
Show all 22
  • Peleteria robusta
  • Phthiria cincta
  • Ptilodexia abdominalis
  • Senotainia trilineata
  • Siphoplagia anomala
  • Spallanzania hesperidarum
  • Spilomyia longicornis
  • Systoechus vulgaris
  • Systropus macer
  • Trichophora ruficauda
  • Volucella fasciata
  • Zodion obliquefasciatum

Flower visits · Carlinville, Illinois, USA

Adult butterflies / moths 2
  • Phyciodes tharos
  • Pontia protodice

Flower visits · Carlinville, Illinois, USA

Other wasps 8
  • Bembix spinolae
  • Bicyrtes ventralis
  • Exetastes suaveolens
  • Leionotus arvensis
  • Polistes variatus
  • Sphex gracilis
  • Sphex nigricans
  • Stictiella pictifrons

Flower visits · Carlinville, Illinois, USA

No records yet · Other insects

Growing and identification

Plant details

Family
Asteraceae
Hardiness
Zones 4a–8b
Flower color
Black, brown/copper or yellow

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

Growing sources and scope
Also known as

Brown eyed Susan; Browneyed Susan; Three Lobed Coneflower

Conservation status

South Carolina rankNot available
Global rankG5
SC statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources