Tufted Evening-primrose
Oenothera cespitosa
Last reviewed: June 2026
Tufted Evening-primrose (Oenothera cespitosa) is a drought-tolerant native wildflower blooming May through August across 15 western and central states. This low-growing forb attracts moths, bees, and beetles with its fragrant white flowers.
Light
full sun
Water
low
Size
4"–12" H × 6"–15" W
Bloom
May, Jun, Jul, Aug
Native to
AZ, CA, CO, ID and 11 more states
Pollinators
moths, bees, beetles
Browse plants for this ecoregion
Tufted evening-primrose forms a compact, low-growing clump with large white flowers that open in the evening and may turn pink with age. This drought-tolerant perennial blooms from May through August and stays neat and tidy in the landscape. The plant creates a dense mat of foliage that works well as a groundcover or border plant.
Growing Tufted Evening-primrose
Grow Tufted Evening-primrose in full sun and low water. Mature plants reach 4 to 12 inches tall and spread 6 to 15 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Tufted Evening-primrose is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
Wildlife value
The large, fragrant flowers attract night-flying moths as primary pollinators, along with bees and beetles during daytime hours. This native plant provides important nectar sources during its long blooming period.
Common questions
- When does Tufted Evening-primrose bloom?
- Oenothera cespitosa blooms from May through August, producing large white flowers that open in the evening.
- What pollinators visit Tufted Evening-primrose?
- Moths, bees, and beetles are the primary pollinators of Oenothera cespitosa, with moths being especially important as the flowers open at dusk.
- Where is Tufted Evening-primrose native?
- This species is native to 15 states including Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, Wyoming, and parts of the Great Plains.
- What growing conditions does Tufted Evening-primrose prefer?
- Oenothera cespitosa thrives in full sun locations with low water requirements, making it excellent for xeriscaping and drought-tolerant gardens.
- Is Tufted Evening-primrose HOA-friendly?
- Tufted 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 Tufted 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