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Roundleaf Water-hyssop

Bacopa rotundifolia

Found in tidal muds, shallow water of large natural lake, river sandbars, other shallow water and shore situations. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you

36
Good

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

Profile 100%

Height
About 1.2 inches
Light
Partial shade, Full sun
Soil moisture
Wet to standing water
Will it fit your yard?

At a glance

Life cycle
Perennial
Bloom
Fall
Fruiting season
Fall

Not yet recorded · Spread · Leaves

Recorded in 13 Alabama counties.

Natural habitats

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

1 of 2

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.

All habitats

Ecological relationships

Who uses this plant?

What these records mean

5CaterpillarsGenus host records with ranges including AL

Genus host records with ranges including AL · Bacopa

  • Elophila obliteralisWaterlily Leafcutter Moth
  • Parapoynx allionealisWatermilfoil Leafcutter, Bladderwort Casemaker
  • Parapoynx maculalisPolymorphic Pondweed Moth
  • Parapoynx obscuralisObscure Pondweed Moth
  • Stenoptilodes brevipennisNarrow Plume Moth
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
4BeesSoutheastern regional records

Southeastern regional records · Bacopa

Individual names are not available yet.

Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
0Specialist beesPollen specialists
—BirdsRecorded genus food-resource interactions; not a state feeding claim

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

Growing and identification

Plant details

Family
Plantaginaceae
Flower color
White
Growth rate
Slow
Growth habit
Spreads by runners
Foliage color
Green
Fruit begins
Fall
Fruit ends
Fall

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

Growing sources and scope
Also known as

Disk Water Hyssop; Roundleaf Water hyssop

Conservation status

Alabama rankSNR
Global rankG5
AL 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