Narrow-leaf Evening-primrose
Oenothera fruticosa
Last reviewed: June 2026
Oenothera fruticosa is a native wildflower blooming bright yellow from June through August across the eastern United States. This evening primrose thrives in full sun and attracts bees, butterflies, and moths.
The USDA PLANTS Database (opens in new tab) does not flag Narrow-leaf Evening-primrose as toxic to livestock.
Light
full sun
Water
medium
Size
12"–36" H × 12"–24" W
Bloom
Jun, Jul, Aug
Native to
AL, AR, CT, DE and 21 more states
Pollinators
bees, butterflies, moths
Narrow-leaf evening-primrose produces bright yellow, four-petaled flowers from June through August on upright stems. This native perennial forms neat clumps with narrow, lance-shaped leaves and blooms that open in the evening to attract night pollinators.
Growing Narrow-leaf Evening-primrose
Grow Narrow-leaf Evening-primrose in full sun and medium water. Mature plants reach 12 to 36 inches tall and spread 12 to 24 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Narrow-leaf Evening-primrose is an HOA-friendly choice. Maintenance level: low. Tidiness: 3 out of 5.
Works well in: front yard, foundation, mid zone.
- Can spread by underground rhizomes if not managed
- May look sparse in winter when dormant
Wildlife value
The flowers attract bees, butterflies, and night-flying moths, with evening blooms specifically adapted for nocturnal pollinators. Seeds provide food for birds and small mammals.
Common questions
- When does Oenothera fruticosa bloom?
- Narrow-leaf Evening-primrose blooms from June through August, producing bright yellow flowers that open in the evening.
- What pollinators visit Oenothera fruticosa?
- This native plant attracts bees, butterflies, and moths with its evening-opening yellow flowers.
- Where is Oenothera fruticosa native?
- Narrow-leaf Evening-primrose is native to much of the eastern United States, from New Hampshire south to Florida and west to Oklahoma and Illinois.
- What growing conditions does Oenothera fruticosa prefer?
- This evening primrose grows best in full sun with medium moisture but adapts to various light and water conditions.
- Is Narrow-leaf Evening-primrose toxic to livestock?
- The USDA PLANTS Database does not flag Narrow-leaf Evening-primrose as toxic to livestock.
- Is Narrow-leaf Evening-primrose HOA-friendly?
- Narrow-leaf Evening-primrose is generally an HOA-friendly choice in the right placement, with low maintenance.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Narrow-leaf Evening-primrose? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz