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American Eelgrass

Vallisneria americana

Found in lakes, rivers, estuaries, sounds. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you

24
Good

Native to Mississippi (estimated). 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 3 Mississippi 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

Still water and its edges: ponds, lakes, millponds and reservoirs.

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

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Mississippi. Shared habitat, not food. 64 animals.

Widespread birds also seen here (27)

Found in many habitats here, so not listed above.

All wildlife of Mississippi

Ecological relationships

Who uses this plant?

What these records mean

2CaterpillarsGenus host records with ranges including MS

Genus host records with ranges including MS · Vallisneria

  • 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
3BirdsRecorded eating Vallisneria in Mississippi

Diet records by plant genus, from studies across North America. Not a record from this state. Birds whose range includes Mississippi, most records first.

Avian Diet Database (Hurlbert Lab)

Direct food only. 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

Birds that eat Vallisneria 3

Diet records by plant genus, from studies across North America. Not a record from this state. Avian Diet Database (Hurlbert Lab), CC0 1.0.

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
Also known as

American Eel Grass

Conservation status

Mississippi rankSNR
Global rankG5
MS 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.

Choose a county to begin.

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