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Alligatorflag, Fireflag
Thalia geniculata
Marantaceae
 

Copyright by: Roger L. Hammer

General Landscape Uses: Water gardens and along pond and lake edges.

Availability: Commonly available at native plant nurseries in central Florida. Available at native plant nurseries in South Florida.

Description: Large herb.

Dimensions: Typically 3-6 feet in height. Spreads and forms large patches.

Growth Rate: Fast.

Range: Southeastern United States south to Miami-Dade County and the Monroe County mainland; West Indies, Mexico, Central America, and South America. Not documented on barrier islands in South Florida, but possibly historically present; it grows well at Pan’s Garden in Palm Beach.

Plant Map Map of select IRC data from peninsular Florida.

 Map of Postal Code Areas of IRC data from peninsular Florida.

Habitats: Swamps, marshes and wet disturbed sites.

Soils: Wet, poorly-drained organic soils.

Nutritional Requirements: High; requires rich organic soils for optimal growth.

Salt Water Tolerance: Low; does not tolerate flooding by salt or brackish water.

Salt Wind Tolerance: Low; salt wind may burn the leaves.

Drought Tolerance: Low; requires moist to wet soils and is intolerant of long periods of drought.

Light Requirements: Full sun.

Flower Color: Purple.

Flower Characteristics: Inconspicuous.

Flowering Season: Spring-fall.

Fruit: Urticle.

Wildlife and Ecology: Larval host plant for Brazilian skipper (Calpodes ethlius) butterflies.

Horticultural Notes: Can be grown from seed and division.

Comments: See also the Florida Wildflower Foundation's Flower Friday page.


Copyright by: Roger L. Hammer

Copyright by: Shirley Denton

Copyright by: Susan Trammell

Copyright by: Shirley Denton

Copyright by: Susan Trammell

Copyright by: Shirley Denton

Copyright by: Chuck McCartney

Copyright by: Susan Lerner, cultivated at Pan's Garden, Town of Palm Beach, Florida, USA.

Copyright by: Susan Lerner, cultivated at Pan's Garden, Town of Palm Beach, Florida, USA. Brazilian skipper (Calpodes ethlius) caterpillar on leaf.


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