Spartina alterniflora

Photo by Shirley Denton. Photograph belongs to the photographer who allows use for FNPS purposes only. Please contact the photographer for all other uses.

Natural Range in Florida
USDA Zones

Suitable to grow in:
10A 10B 11 8A 8B 9A 9B 

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Saltmarsh Cordgrass, Smooth Cordgrass

Poaceae (Gramineae)

Plant Specifics

Size:2-6 ft
Life Span:Long-lived perennial
Flower Color:Yellow
Habitats:Salt marsh, tidal flats, beaches.


Recommended Uses:Used for shoreline protection. A major saltmarsh plant. Useful for erosion control.
Light: Full Sun
Moisture Tolerance:
always floodedextremely dry
Moisture Tolerance: Stays Wet ----- to ----- Not wet but not extremely dry
Salt Water Flooding Tolerance:Tolerant of frequent or regular inundation (usually areas with tidal inundation)
Salt Spray Tolerance:High. Can tolerate significant and ongoing amounts of salty wind and salt spray without injury.
Soil/Substrate:Loam, Sand



Birds and other animals eat the seeds.

Larval food for Louisiana eyed silkmoth (Automeris louisiana)