Riverbank Evening-primrose
Oenothera riparia
Found in freshwater tidal marshes; swamps. FloraQuest, phone app (app page) What its natural habitat tells you
Native to Virginia. How scores work Is it native here?
Profile 82%
- Height
- 2 feet 4 inches–3 feet 11 inches
- Light
- Partial shade, Full sun
- Soil moisture
- Moist to wet
No photograph yet. Looking for an old drawing…
Rare or protected plant. Specialist conservation planting; excluded from routine garden suggestions. Plant caution source
Hidden from default planting suggestions. Wildlife value and native status remain unchanged.
At a glance
- Bloom
- June to July
Not yet recorded · Spread · Life cycle · 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.
Marshes along tidal rivers where the water is fresh but rises and falls with the tide.
Who uses this plant?
17CaterpillarsGenus host records with ranges including VA
Genus host records with ranges including VA · Oenothera
- Amphion floridensisNessus Sphinx
- Apantesis argeArge Tiger Moth
- Atroposia oenotheranaPrimrose Cochylid
- Desmia funeralisGrape Leaffolder Moth
- Eudryas unioPearly Wood-Nymph
- Eupithecia miserulataCommon Eupithacia, Common Pug
- Hyles lineataWhite-Lined Sphinx
- Mompha circumscriptellaCircumscript Mompha
- Mompha eloisellaRed-Streaked Mompha
- Papaipema nebrisStalk Borer
Show all 17
- Schinia floridaPrimrose Flower Moth, Evening Primrose Flower Moth
- Spargania magnoliataDouble-Banded Carpet
- Sparganothis sulfureanaSparganothis Fruitworm Moth, Sulfur Leafroller, False Yellow-Head
- Spodoptera eridaniaSouthern Armyworm Moth
- Dichomeris agonia
- Mompha brevivittella
- Mompha stellella
23BeesSoutheastern regional records
Southeastern regional records · Oenothera
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
4Specialist beesPollen specialists
Pollen specialists · Oenothera
- Lasioglossum aberrans
- Lasioglossum lusorium
- Lasioglossum oenotherae
- Melissodes fimbriatus
5BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Oenothera
- Columbina passerinaCommon Ground Dove
- Meleagris gallopavoWild Turkey
- Ortalis vetulaPlain Chachalaca
- Tympanuchus pallidicinctusLesser Prairie-Chicken
- Zenaida macrouraMourning Dove
Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening
No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Plant details
- Family
- Onagraceae
Growing sources and scope
- Bloom · “June to July” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Height · “2 feet 4 inches–3 feet 11 inches” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Light · “Partial shade; Full sun (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Soil · “Moist; Wet (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
Also known as
Riverbank Evening primrose
Conservation status
| Virginia rank | S1 |
|---|---|
| Global rank | G3 |
| 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
- Virginia DCR Natural Heritage rare plant list
- Digital Atlas of the Virginia Flora
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- FloraQuest: Carolinas, Georgia (Weakley), phone app (app page)
- FloraQuest: Northern Tier (Weakley), phone app (app page)
- 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