Quercus

American Water-plantain

Alisma subcordatum

Native to Kentucky (estimated)

Ecological relationships

Who uses this plant?

2CaterpillarsGenus host records with ranges including KY

Genus host records with ranges including KY · Alisma

  • Hypena madefactalisGray-Edged Bomolocha, Gray-Edged Snout
  • Papaipema nebrisStalk Borer
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
7BeesSoutheastern regional records
0Specialist beesPollen specialists
1BirdsRecorded genus food-resource interactions; not a state feeding claim

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

  • Aythya americanaRedhead
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

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

Growing and identification

Plant details

Family
Alismataceae
Hardiness
Zones 5a–9b
Soil pH
Acidic to neutral
Flower color
Pink, purple or white
Growth rate
Moderate
Growth habit
Single crown
Foliage color
Green
Fruit begins
Summer
Fruit ends
Summer

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

Growing sources and scope
Also known as

Alisma plantago aquatica; Alisma plantago-aquatica; American Water Plantain; American Water plantain; Southern Water Plantain

Conservation status

Kentucky rankS4S5
Global rankNot available
KY statusNot verified
Federal statusNot verified

Conservation source

In your garden

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Sources