Quercus

Large-flowered Trillium

Trillium grandiflorum

Native to Kentucky (estimated)

Ecological relationships

Who uses this plant?

2CaterpillarsGenus host records with ranges including KY

Genus host records with ranges including KY · Trillium

  • Clepsis melaleucanusBlack-Patched Clepsis, Trillium Tortrix
  • Euplexia benesimilisAmerican Angle Shades
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
1BeesSoutheastern regional records
0Specialist beesPollen specialists
—BirdsRecorded genus food-resource interactions; not a state feeding claim
2AntsRecorded seed interactions
  • Aphaenogaster rudis
  • Myrmica unknown

Aphaenogaster rudis: Seed dispersal.

Myrmica unknown: Seed dispersal.

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

Growing and identification

Plant details

Family
Trilliaceae
Hardiness
Zones 4a–8b
Soil pH
Acidic to neutral
Flower color
Pink or white

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

Growing sources and scope
Also known as

Great White Trillium; Large Flower White Trillium; Large flowered Trillium

Conservation status

Kentucky rankS4
Global rankG5
KY statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources