Index / Search / Oenothera grandiflora
§1 Plant
Oenothera grandiflora L'Hér. ex Aiton
vernacular largeflower evening primrose — species · Onagraceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Biennial
- Group
- Dicot
- Family
- Onagraceae Juss.
- Genus
- Oenothera
Native status, by region
- CAN Canada Introduced
- L48 Lower 48 States Native
County-level range
· 27 counties across 7 states/territories§3Cultivation
No cultivation specs.
USDA has not characterised this taxon. Roughly four out of five plants in the database lack the detailed cultivation record present here — typically because they have not been the focus of NRCS Plant Materials work. Range and distribution data are unaffected.
§4Counties, by state
Recorded in 27 counties across 7 states/territories.
Alabama view state ↗ 4 N ▾
Florida view state ↗ 10 N ▾
Mississippi view state ↗ 6 N ▾
Pennsylvania view state ↗ 2 N ▾
Tennessee view state ↗ 1 N ▾
Vermont view state ↗ 3 N ▾
West Virginia view state ↗ 1 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/OEGR4 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/8106009 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T11:35:19Z