Diamondpetal Evening Primrose
Oenothera rhombipetala

Diamondpetal evening primrose sends up tall spikes of diamond-shaped yellow evening flowers on deep sands of the central plains, a biennial that lights up late-summer dusk.
- Family
- Onagraceae
- Type
- wildflower
- Lifespan
- biennial
- Height
- 2–4 ft
- Spacing
- 1–1.5 ft apart
- Light
- sun, part shade
- Soil moisture
- dry
- Soil pH
- neutral, acidic
- Bloom
- May, June, July, August, September
- Bloom colors
- yellow
- Wildlife value
- pollinators, larval host
- Caterpillar hosts
- ~16 butterfly & moth species
- Landscape uses
- border
- Native states
- AR, IA, IL, IN, KS, LA, MN, MO, ND, NE, NM, OK, SD, TX, WI
Related native plants
More Oenothera species
- Tufted Evening Primrose (Oenothera caespitosa)
- Pink Evening Primrose (Oenothera speciosa)
- Common Evening Primrose (Oenothera biennis)
- Hooker's Evening Primrose (Oenothera elata)
- Scarlet Beeblossom (Oenothera suffrutescens)
- Birdcage Evening Primrose (Oenothera deltoides)