Coastal Water-hyssop
Bacopa monnieri
Found in freshwater tidal marshes, muddy shores, streams and pools. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you
Native to Virginia. How scores work Is it native here?
Profile 76%
- Light
- Full sun, Partial shade
- Soil moisture
- Usually moist

At a glance
- Life cycle
- Perennial
- Leaves
- Evergreen
Not yet recorded · Height · Spread · Bloom
Height and bloom: NC species account not read yet.
Spread: no source found yet.
This plant is missing most of its facts, so Quercus is looking them up in old botany books.
Recorded in 4 Virginia counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Streams, rivers and their banks

Marshes along tidal rivers where the water is fresh but rises and falls with the tide.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Virginia. Shared habitat, not food. 91 animals.
- Lesser Black-backed GullLarus fuscus
- Lesser ScaupAythya affinis
- Little Blue HeronEgretta caerulea
- MallardAnas platyrhynchos
- Marsh WrenCistothorus palustris
- MerlinFalco columbarius
- Mourning DoveZenaida macroura
- Northern CardinalCardinalis cardinalis
- Northern FlickerColaptes auratus
- Northern MockingbirdMimus polyglottos
- Northern ParulaParula americana
- Northern Saw-whet OwlAegolius acadicus
- Northern ShovelerAnas clypeata
- OspreyPandion haliaetus
- Peregrine FalconFalco peregrinus
- Prothonotary WarblerProtonotaria citrea
- Purple FinchCarpodacus purpureus
- Red-breasted MerganserMergus serrator
- Red-tailed HawkButeo jamaicensis
- RedheadAythya americana
- Ring-necked DuckAythya collaris
- Ruddy TurnstoneArenaria interpres
- Semipalmated PloverCharadrius semipalmatus
- Sharp-shinned HawkAccipiter striatus
Who uses this plant?
4CaterpillarsGenus host records with ranges including VA
Genus host records with ranges including VA · Bacopa
- Elophila obliteralisWaterlily Leafcutter Moth
- Parapoynx allionealisWatermilfoil Leafcutter, Bladderwort Casemaker
- Parapoynx maculalisPolymorphic Pondweed Moth
- Parapoynx obscuralisObscure Pondweed Moth
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 4.0No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Plant details
- Family
- Plantaginaceae
- Hardiness
- Zones 8a–11b
- Soil pH
- Acidic to alkaline
- Flower color
- Pink or white
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Flower color · “Pink or white” · NC Extension Plant Toolbox (ranked first; Lady Bird Johnson Wildflower Center differs)
- Hardiness · “Zones 8a–11b” · NC Extension Plant Toolbox
- Leaves · “Evergreen” · NC Extension Plant Toolbox
- Life cycle · “Perennial” · NC Extension Plant Toolbox
- Light · “Full sun (6 or more hours of direct sunlight a day); Partial shade (direct sunlight only part of the day, 2-6 hours)” · NC Extension Plant Toolbox (ranked first; Lady Bird Johnson Wildflower Center differs)
- Soil · “Moist; Occasionally wet” · NC Extension Plant Toolbox (ranked first; Lady Bird Johnson Wildflower Center differs)
- Soil pH · “Acidic to alkaline” · NC Extension Plant Toolbox
Also known as
Coastal Water hyssop
Conservation status
| Virginia rank | S3S4 |
|---|---|
| Global rank | G5? |
| VA status | Not verified |
| Federal status | Not verified |
Will it fit your yard?
Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.
Sources
- Digital Atlas of the Virginia Flora
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- 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

























