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Large-flowered Trillium

Trillium grandiflorum

Found in rich coves and moist slopes, also less typically on ridges over "rich" rock types. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you

25
Good

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

Profile 100%

Height
1–3 feet
Spread
9 inches–1 foot
Light
Dappled sunlight, Deep shade, Partial shade
Soil moisture
Usually moist

Space about 1 ft apart from its recorded spread, about 100 per 100 sq ft. Enter your bed size for a count

Will it fit your yard?

Rare or protected plant. Specialist conservation planting; excluded from routine garden suggestions. Plant caution source

Hidden from default planting suggestions. Wildlife value and native status remain unchanged.

At a glance

Life cycle
Perennial
Bloom
April to May
Fruiting season
July to August

Not yet recorded · Leaves

Recorded in 4 Alabama counties.

Natural habitats

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

1 of 2

Rich cove forests

Cove hardwood forest
Regional / representative. Shown: Great Smoky Mountains National Park, North Carolina and Tennessee; representative habitat composite, not a documented exact viewpoint, a neighboring state.Cove hardwood forest, Hynes, Robert 'Bob', by 2012. Public domain. Source record.

Moist forests

Forests on moist but not wet ground, such as rich slopes and ravines.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Alabama. Shared habitat, not food. 99 animals.

All wildlife of Alabama

Ecological relationships

Who uses this plant?

What these records mean

2CaterpillarsGenus host records with ranges including AL

Genus host records with ranges including AL · Trillium

  • Euplexia benesimilisAmerican Angle Shades
  • Scopula ordinata
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
1BeesSoutheastern regional records

Southeastern regional records · Trillium

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
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
Fruit begins
July
Fruit ends
August
Growing sources and scope
Also known as

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

Conservation status

Alabama rankS1
Global rankG5
AL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

Will it fit your yard?

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How to check your spot

Growing cautions

For planning only; these do not change the score or Fit.

Sources