FNPS Plant Database

Spartina alterniflora

saltmarsh cordgrass, smooth cordgrass
  • Photo by: Shirley Denton, Suncoast Chapter FNPS

Nomenclature

Common Name:

saltmarsh cordgrass, smooth cordgrass

Synonym(s):

Genus species:

Spartina alterniflora

Family:

Poaceae (Gramineae)

Plant Specifics

Form:

Grass

Size:

2–6 ft

Life Span:

Long-lived perennial

Flower Color:

yellow

Fruit Color:

Phenology:

Evergreen

Noted For:

Interesting Foliage

Landscaping

Recommended Uses:

Used for shoreline protection. A major saltmarsh plant. Useful for erosion control.

Considerations:

Availability:

Propagation:

Division or seed.

Light:

Full Sun

Moisture Tolerance:

Always Flooded---------------------------------Extremely Dry

□□□□□□■■■■■■■■■■■■■■■■■■■■■□□□□□□□□□□□□□□□

Stays wet -to- Not wet but not extremely dry

Salt Water Flooding Tolerance:

Unknown

Salt Spray/Salty Soil Tolerance:

High. Can tolerate significant and ongoing amounts of salt

Soil or Other Substrate:

Sand, Loam

Soil pH:

Suitable to Grow In:

8A,8B,9A,9B,10A,10B,11

USDA zones are based on the average annual extreme minimum winter temperature.

Don't know your zone? Click here to search by zip code.

Vouchered In:

Distribution
Vouchered
Not vouchered
Selected
Click a county The county name will appear here.
No county distribution is available for this plant yet.
Starting…
Map coded by Melissa Fernandez-de Cespedes (Paynes Prairie Chapter)

Ecology

Wildlife:

Caterpillars, Birds

Larval food for Louisiana eyed silkmoth (Automeris louisiana).

Birds and other animals eat the seeds.

Native Habitats:

Salt marsh, tidal flats, beaches

Natural Range in Florida:

Comments:

Ethnobotany:

General Comments:

FNPS Plant Print

Citations:

Nelson, Gil. (2003). Florida's Best Landscape Plants: 200 Readily Available Species for Homeowners and Professionals. University Press of Florida, Gainesville, FL.


Wunderlin, R. P, B. F. Hansen, A. R. Franck, and F. B. Essig. (1999+). Atlas of Florida Plants. ( https://florida.plantatlas.usf.edu/ ). [S. M. Landry and K. N. Campbell (application development), USF Water Institute.] Institute for Systematic Botany, University of South Florida, Tampa, FL.

Request an update