Four-points Evening-primrose
Oenothera rhombipetala
Last reviewed: June 2026

Light
full sun
Water
low
Size
12"–36" H × 6"–18" W
Bloom
Jun, Jul, Aug
Native to
OH
Pollinators
bees, moths, beetles
Browse plants for this ecoregion
Four-points evening-primrose is a drought-tolerant biennial that produces bright yellow flowers with distinctive diamond-shaped petals from June through August. This native wildflower grows 12-36 inches tall and thrives in full sun with minimal water needs once established.
In an HOA neighborhood
Four-points Evening-primrose takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Biennial lifecycle creates gaps when plants die after second year
- Can appear weedy or unkempt when not in bloom
- Evening-blooming habit means flowers may be closed during day
Wildlife value
The evening-blooming flowers attract night-flying moths and sphinx moths, while also providing nectar for bees and beetles during daytime hours.
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.
Does Four-points Evening-primrose fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.