How much sun does Four-points Evening-primrose need?

Four-points Evening-primrose grows best in full sun conditions.

When does Four-points Evening-primrose bloom?

Four-points Evening-primrose blooms in June, July, and August.

Where is Four-points Evening-primrose native?

Four-points Evening-primrose (Oenothera rhombipetala) is native to AR, CO, IA, IL and 14 more states, per the USDA PLANTS Database and regional native plant society lists.

What pollinators does Four-points Evening-primrose attract?

Four-points Evening-primrose draws bees, moths, and beetles.

Is Four-points Evening-primrose HOA-friendly?

Four-points Evening-primrose takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Four-points Evening-primrose

Name: Pollinator Patch
Author: Pollinator Patch

Oenothera rhombipetala

Last reviewed: July 2026

Light

full sun

Water

low

Size

12"–36" H × 6"–18" W

Bloom

Jun, Jul, Aug

Native to

AR, CO, IA, IL and 14 more states

Pollinators

bees, moths, beetles

Browse plants for this ecoregion

Central Oklahoma/Texas Plains Edwards Plateau East Central Texas Plains South Central Plains

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.

Common questions

How much sun does Four-points Evening-primrose need?: Four-points Evening-primrose grows best in full sun conditions.
When does Four-points Evening-primrose bloom?: Four-points Evening-primrose blooms in June, July, and August.
Where is Four-points Evening-primrose native?: Four-points Evening-primrose (Oenothera rhombipetala) is native to AR, CO, IA, IL and 14 more states, per the USDA PLANTS Database and regional native plant society lists.
What pollinators does Four-points Evening-primrose attract?: Four-points Evening-primrose draws bees, moths, and beetles.
Is Four-points Evening-primrose HOA-friendly?: Four-points Evening-primrose takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

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 Four-points Evening-primrose? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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