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American Eelgrass

Vallisneria americana

In the Carolinas and Georgia, found in lakes, rivers, estuaries, sounds. FloraQuest, phone app (app page) What its natural habitat tells you

26
Good

Native to Florida. How scores work Is it native here?

Profile 88%

Height
About 1 foot
Light
Partial shade, Full sun
Soil moisture
Standing water
Will it fit your yard?

At a glance

Life cycle
Perennial
Bloom
July to October
Fruiting season
Summer

Not yet recorded · Spread · Leaves

Recorded in 42 Florida counties.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

1 of 3

Ponds, lakes and their shores

Georgia pond and emergent wetland
Regional / representative. Shown: Chattahoochee River National Recreation Area, Georgia; representative pond ecosystem, a neighboring state.Georgia pond and emergent wetland, Robert 'Bob' Hynes, 1997. Public domain. Source record.

Streams, rivers and their banks

Flowing water and its banks, bars and rocky shoals.

Sounds, bays and tidal flats

Salt and brackish open water of sounds, bays and estuaries, with the mud and sand flats and seagrass beds that tides cover and uncover; the vegetated marsh is salt and brackish marshes.

All habitats

Ecological relationships

Who uses this plant?

What these records mean

3CaterpillarsGenus host records with ranges including FL

Genus host records with ranges including FL · Vallisneria

  • Elophila icciusalisPondside Pyralid, Pondside Crambid
  • Parapoynx allionealisWatermilfoil Leafcutter, Bladderwort Casemaker
  • Parapoynx obscuralisObscure Pondweed Moth
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
0BeesSoutheastern regional records
0Specialist beesPollen specialists
6BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Vallisneria

  • Aythya marilaGreater Scaup
  • Aythya valisineriaCanvasback
  • Cygnus columbianusTundra Swan
  • Cygnus olorMute Swan
  • Gallinula galeataCommon Gallinule
  • Mareca americanaAmerican Wigeon
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Growing and identification

Plant details

Family
Hydrocharitaceae
Growth rate
Rapid
Growth habit
Spreads by runners
Foliage color
Green
Fruit begins
Summer
Fruit ends
Summer

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
  • Bloom · “July to October” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) (ranked first; USDA PLANTS differs) · Carolinas and Georgia
  • Foliage color · “Green” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Fruit begins · “Summer” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Fruit ends · “Summer” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Growth habit · “Spreads by runners” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Growth rate · “Rapid” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Height · “About 1 foot” · USDA PLANTS (ranked first; Minnesota Wildflowers differs) · Nationwide species characteristics; local growing conditions may vary
  • Life cycle · “Perennial” · Minnesota Wildflowers
  • Light · “Partial shade; Full sun (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
  • Soil · “Water (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
Also known as

American Eel Grass

Conservation status

Florida rankSNR
Global rankG5
FL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

Will it fit your yard?

Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.

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How to check your spot

Growing cautions

  • Spreads by runners. USDA PLANTS lists its growth form as stoloniferous. USDA PLANTS

For planning only; these do not change the score or Fit.

Sources