General Landscape Uses:
Primarily recommended for natural landscapes and habitat restorations. Also in water gardens and along pond and lake margins.
Availability:
Grown by enthusiasts and occasionally by native plant nurseries.
Description: Small creeping herb.
Dimensions: About 1-3 inches in height. Creeping across the ground or shallow water and forming large mats.
Growth Rate: Fast.
Range:
Southern United States south to Miami-Dade County and the Monroe County mainland; West Indies.
Map of select IRC data from peninsular Florida.
Map of Postal Code Areas of IRC data from peninsular Florida.
Habitats: Marshes and swamps.
Soils: Wet to moist, seasonally inundated organic, sandy or calcareous soils, with or without humusy top layer.
Nutritional Requirements: Moderate; can grow in nutrient poor soils, but needs some organic content to thrive.
Salt Water Tolerance: Low; does not tolerate flooding by salt or brackish water.
Salt Wind Tolerance: Moderate; grows near salt water, but is protected from direct salt spray by other vegetation.
Drought Tolerance: Low; requires moist to wet soils and is intolerant of long periods of drought.
Light Requirements: Full sun to light shade.
Flower Color: Yellow.
Flower Characteristics: Inconspicuous.
Flowering Season: Spring-fall.
Fruit: Inconspicuous capsule.
Horticultural Notes: Can be grown from seed or divisions.