Curly Pondweed
Potamogeton crispus
Found in ponds, lakes, and streams, often in calcareous waters. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you
—
Not native
Not native to Alabama. How scores work Is it native here?
Profile 76%
- Height
- 1–5 feet
- Light
- Partial shade, Full sun
- Soil moisture
- Standing water
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At a glance
- Life cycle
- Perennial
- Bloom
- Mid spring
- Fruiting season
- Spring to summer
Not yet recorded · Spread · Leaves
Recorded in 10 Alabama counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
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Streams, rivers and their banks
Flowing water and its banks, bars and rocky shoals.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Alabama. Shared habitat, not food. 117 animals.
- Swainson's WarblerLimnothlypis swainsonii
- Tree SwallowTachycineta bicolor
- Tufted TitmouseBaeolophus bicolor
- Turkey VultureCathartes aura
- VeeryCatharus fuscescens
- White-breasted NuthatchSitta carolinensis
- White-eyed VireoVireo griseus
- White-throated SparrowZonotrichia albicollis
- White-winged DoveZenaida asiatica
- Wild TurkeyMeleagris gallopavo
- Willow FlycatcherEmpidonax traillii
- Wilson's SnipeGallinago delicata
- Wood DuckAix sponsa
- Wood ThrushHylocichla mustelina
- Worm-eating WarblerHelmitheros vermivorum
- Yellow-bellied SapsuckerSphyrapicus varius
- Yellow-billed CuckooCoccyzus americanus
- Yellow-breasted ChatIcteria virens
- Yellow-crowned Night-heronNyctanassa violacea
- Yellow-rumped WarblerDendroica coronata
- Yellow-throated WarblerDendroica dominica
Ecological relationships
Who uses this plant?
8CaterpillarsGenus host records with ranges including AL
Genus host records with ranges including AL · Potamogeton
- Elophila gyralisWaterlily Borer Moth
- Elophila icciusalisPondside Pyralid, Pondside Crambid
- Elophila obliteralisWaterlily Leafcutter Moth
- Langessa nomophilalisBlack Langessa
- Parapoynx allionealisWatermilfoil Leafcutter, Bladderwort Casemaker
- Parapoynx badiusalisChestnut-Marked Pondweed Moth
- Parapoynx obscuralisObscure Pondweed Moth
- Parapoynx seminealisFloating-Heart Waterlilly Moth, Waterlily Casebearer
—BeesSoutheastern regional records
—Specialist beesPollen specialists
23BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Potamogeton
- Aix sponsaWood Duck
- Anas acutaNorthern Pintail
- Anas creccaGreen-winged Teal
- Anas platyrhynchosMallard
- Aythya affinisLesser Scaup
- Aythya americanaRedhead
- Aythya collarisRing-necked Duck
- Aythya marilaGreater Scaup
- Aythya valisineriaCanvasback
- Bucephala clangulaCommon Goldeneye
Show all 23
- Cygnus buccinatorTrumpeter Swan
- Cygnus columbianusTundra Swan
- Cygnus olorMute Swan
- Fulica americanaAmerican Coot
- Mareca americanaAmerican Wigeon
- Mareca penelopeEurasian Wigeon
- Mareca streperaGadwall
- Melanitta perspicillataSurf Scoter
- Oxyura jamaicensisRuddy Duck
- Polysticta stelleriSteller's Eider
- Porzana carolinaSora
- Somateria fischeriSpectacled Eider
- Spatula clypeataNorthern Shoveler
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
Growing and identification
Plant details
- Family
- Potamogetonaceae
- Flower color
- Green
- Growth rate
- Rapid
- Growth habit
- Single crown
- Foliage color
- Red
- Fruit begins
- Spring
- Fruit ends
- Summer
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “Mid spring” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Flower color · “Green” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Foliage color · “Red” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Fruit begins · “Spring” · 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 · “Single crown” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Growth rate · “Rapid” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Height · “1–5 feet” · Minnesota Wildflowers
- Life cycle · “Perennial” · Minnesota Wildflowers
- Light · “Partial shade; Full sun (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- primary_flower_color · “green” · USDA PLANTS
- Soil · “Water (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
Also known as
Curly Pond Weed
Conservation status
| Alabama rank | SNA |
|---|---|
| Global rank | G5 |
| AL status | Not verified |
| Federal status | Not verified |
Sources
- Alabama Plant Atlas
- USDA PLANTS
- Weakley, Flora of the Southeastern United States (2025)
- NatureServe Explorer
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications