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Lawn Marsh-pennywort

Hydrocotyle sibthorpioides

In the Carolinas and Georgia, found in lawns, pond margins, cracks between paving stones. Greatly increasing as a lawn and garden weed. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you

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Not native

Not native to Louisiana. How scores work Is it native here?

Profile 59%

Light
Partial shade, Full sun
Soil moisture
Dry to moist

At a glance

Bloom
March to September

Not yet recorded · Height · Spread · Life cycle · Leaves

This plant is missing most of its facts, so Quercus is looking them up in old botany books.

Recorded in 4 Louisiana parishes.

Natural habitats

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

1 of 2

Roadsides, fields and disturbed ground

Ground opened by people: roadsides, old fields, pastures, fencerows and lots.

Ponds, lakes and their shores

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

All habitats

Ecological relationships

Who uses this plant?

What these records mean

6CaterpillarsGenus host records with ranges including LA

Genus host records with ranges including LA · Hydrocotyle

  • Elophila obliteralisWaterlily Leafcutter Moth
  • Enigmogramma basigeraPink-Washed Looper Moth
  • Herpetogramma bipunctalisSouthern Beet Webworm, Two-Spotted Herpetogramma
  • Papilio polyxenesBlack Swallowtail, Celery Caterpillar, Fennel Worm, Desert Black Swallowtail, Parsnip Swallowtail
  • Sparganothis sulfureanaSparganothis Fruitworm Moth, Sulfur Leafroller, False Yellow-Head
  • Spodoptera eridaniaSouthern Armyworm Moth
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
—BeesSoutheastern regional records
—Specialist beesPollen specialists
3BirdsRecorded genus food-resource interactions; not a state feeding claim

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

  • Agelaius phoeniceusRed-winged Blackbird
  • Gallinula galeataCommon Gallinule
  • Quiscalus majorBoat-tailed Grackle
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

Growing and identification

Plant details

Family
Araliaceae

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

Growing sources and scope
Also known as

Lawn Marsh Pennywort

Conservation status

Louisiana rankSNA
Global rankGNR
LA statusNot verified
Federal statusNot verified

Conservation source Global and federal source

Native alternatives

Find natives for your garden

Sources