Yellow Evening Primrose
Oenothera flava
Yellow evening primrose is a low, stemless western native whose bright yellow flowers open from a basal rosette at evening, hardy on dry plains and foothills.
- Family
- Onagraceae
- Type
- wildflower
- Lifespan
- perennial
- Height
- 2.5–2.5 ft
- Spacing
- 0.5–1 ft apart
- Light
- sun
- Soil moisture
- dry, moist
- Soil pH
- acidic, neutral, alkaline
- Bloom
- April, May, June, July, August
- Bloom colors
- yellow
- Wildlife value
- pollinators, butterflies, larval host
- Caterpillar hosts
- ~16 butterfly & moth species
- Landscape uses
- border
- Native states
- AZ, CA, CO, ID, MT, ND, NE, NM, NV, OR, SD, UT, WA, WY
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)