Quercus

Roundleaf Water-hyssop

Bacopa rotundifolia

Native to Kentucky (estimated)

Ecological relationships

Who uses this plant?

4CaterpillarsGenus host records with ranges including KY

Genus host records with ranges including KY · 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
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
  • Bloom · “Fall” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Flower color · “White” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Foliage color · “Green” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Fruit begins · “Fall” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Fruit ends · “Fall” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Growth habit · “Spreads by runners” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Growth rate · “Slow” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Height · “About 1.2 inches” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Life cycle · “Perennial” · Minnesota Wildflowers
  • Light · “Partial shade; Full sun (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team) · Carolinas and Georgia
  • primary_flower_color · “white” · USDA PLANTS
  • Soil · “Water; Wet (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team) · Carolinas and Georgia
Also known as

Disk Water Hyssop; Roundleaf Water hyssop

Conservation status

Kentucky rankS3S4
Global rankG5
KY statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources