Thalia geniculata

alligator flag, fireflag


Synonyms:  Maranta geniculata

wildlife plant

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Use this link to get more info about this plant from the USF Institute for Systematic Botany

Plant Specifics

Form: flower
Life Span: long-lived perennial
Size: Height: 6-9 ft    Width: 3-10 ft
Flower Color: flower color   flower color      blue,lavender
Phenology: winter dormant
Noted for: Showy flowers, interesting foliage


Recommended Uses: Used for wetland restoration. Attractive for planting in surface water management ponds.
Considerations: Dies back in the winter.
Propagation: Propagate from rhizomes or seed.
Availability: Native nurseries, FNPS plant sales
Light: light requirement   light requirement  
Moisture Tolerance:
Salt Tolerance: Not salt tolerant
Soil or other substrate: Sand, loam, organic material (muck)


wildlife plant  
Host plant for Brazilian Skipper (Calpodes ethlius). Provides hiding areas for water birds some of which hide their nests in patches of this tall plant.
Native Habitats: Marshes, swamps, roadside ditches. Usually in areas with relatively high nutrients and relatively high light. Rarely under a dense canopy.

Distribution and Planting Zones

Natural Range in Florida

USDA Zones:

USDA zones are based on minimum winter temperatures

Suitable to grow in: