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Blue Water-hyssop

Bacopa caroliniana

Found in wet shores, tidal muds, marshes, disturbed wetland sites. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you

35
Good

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

Profile 100%

Height
4–12 inches
Spread
1 foot 8 inches–3 feet 4 inches
Light
Full sun, Partial shade
Soil moisture
Usually moist

Space about 2.5 ft apart from its recorded spread, about 16 per 100 sq ft. Enter your bed size for a count

Will it fit your yard?

At a glance

Life cycle
Perennial
Bloom
May to October

Not yet recorded · Leaves

Recorded in 2 Virginia counties.

Natural habitats

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

Freshwater marshes

Open, herb-covered wetlands with fresh, non-tidal water.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Virginia. Shared habitat, not food. 106 animals.

All wildlife of Virginia

Ecological relationships

Who uses this plant?

What these records mean

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
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
Hardiness
Zones 8a–11b
Soil pH
Acidic to neutral
Flower color
Blue

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

Growing sources and scope
Also known as

Blue Water Hyssop

Conservation status

Virginia rankSH
Global rankG4G5
VA statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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How to check your spot

Sources