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Catesby's Trillium

Trillium catesbyi

Also listed as Trillium catesbaei

Found in bottomland forests, moist slopes, cove forests. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you

23
Good

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

Profile 94%

Height
8–18 inches
Spread
6 inches–1 foot
Light
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?

At a glance

Life cycle
Perennial
Bloom
March and June
Fruiting season
July to August

Not yet recorded · Leaves

Recorded in 22 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 3

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.

Floodplain and bottomland forests

Forests on low ground beside rivers and streams that flood from time to time.

Moist forests

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

All habitats

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

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

Growing and identification

Plant details

Family
Trilliaceae
Hardiness
Zones 4a–9b
Soil pH
Acidic
Flower color
Pink or white
Fruit begins
July
Fruit ends
August

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

Growing sources and scope
Also known as

Catesbys Trillium; Trillium catesbaei

Conservation status

Alabama rankSNR
Global rankG4 [G5]
AL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

Will it fit your yard?

Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.

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How to check your spot

Growing cautions

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

Sources