Ecological relationships
Who uses this plant?
5CaterpillarsGenus host records with ranges including KY
Genus host records with ranges including KY · Ludwigia
- Elophila gyralisWaterlily Borer Moth
- Eudryas unioPearly Wood-Nymph
- Eumorpha fasciatusBanded Sphinx
- Junonia coeniaCommon Buckeye
- Nematocampa resistariaFilament Bearer, Horned Spanworm Moth
32BeesSoutheastern regional records
Southeastern regional records · Ludwigia
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
4BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Ludwigia
- Aix sponsaWood Duck
- Fulica americanaAmerican Coot
- Gallinula galeataCommon Gallinule
- Porzana carolinaSora
No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Growing and identification
Plant details
- Family
- Onagraceae
- Hardiness
- Zones 3a–7b
- Soil pH
- Acidic to alkaline
- Flower color
- Green
- Growth rate
- Rapid
- Growth habit
- Spreads by runners
- Foliage color
- Gray-green
- Fruit begins
- Summer
- Fruit ends
- Fall
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “Spring” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Flower color · “Green” · NC Extension Plant Toolbox
- Foliage color · “Gray-green” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Fruit begins · “Summer” · 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 · “Rapid” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Hardiness · “Zones 3a–7b” · NC Extension Plant Toolbox
- Height · “About 2.4 inches” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Leaves · “Deciduous” · NC Extension Plant Toolbox
- Life cycle · “Perennial” · NC Extension Plant Toolbox
- Light · “Full sun (6 or more hours of direct sunlight a day)” · NC Extension Plant Toolbox
- primary_flower_color · “green” · USDA PLANTS
- Soil · “Frequent standing water; Occasionally wet” · NC Extension Plant Toolbox
- Soil pH · “Acidic to alkaline” · NC Extension Plant Toolbox
Also known as
Water Primrose; Water Purslane
Conservation status
| Kentucky rank | S5 |
|---|---|
| Global rank | G5 |
| KY status | Not verified |
| Federal status | Not verified |
In your garden
Will it fit your spot?
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Sources
- tnky_atlas
- usda
- nc_flora
- 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