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Powdery Thalia

Thalia dealbata

In the Carolinas and Georgia, found in swamp forests, wet ditches, brackish marshes. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you

30
Good

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

Profile 88%

Height
3–6 feet
Spread
3–6 feet
Light
Full sun, Partial shade
Soil moisture
Wet to standing water

Space about 4.5 ft apart from its recorded spread, about 5 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
Leaves
Evergreen
Fruiting season
June to October

Not yet recorded · Bloom

Recorded in 10 Louisiana parishes.

Natural habitats

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

1 of 3

Swamps

Forested wetlands with standing water much of the year, such as cypress and gum swamps.

Roadsides, fields and disturbed ground

Ground opened by people: roadsides, old fields, pastures, fencerows and lots.

Salt and brackish marshes

Coastal marshes flooded by salty or brackish tides.

All habitats

Ecological relationships

Who uses this plant?

What these records mean

3CaterpillarsGenus host records with ranges including LA

Genus host records with ranges including LA · Thalia

  • Calpodes ethliusBrazilian Skipper, Canna Skipper, Canna Leafroller
  • Geshna cannalisLesser Canna Leafroller Moth
  • Spodoptera frugiperdaFall Armyworm Moth
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
4BeesSoutheastern regional records

Southeastern regional records · Thalia

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
Marantaceae
Hardiness
Zones 6a–12b
Soil pH
Acidic to neutral
Flower color
Purple or white
Fruit begins
June
Fruit ends
October
Growing sources and scope

Conservation status

Louisiana rankS2
Global rankG4
LA statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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How to check your spot

Sources