- Common name: Missouri Evening Primrose
- Zones: 3 – 7
- Longevity in Laramie County: Perennial
- Mature height: 2 to 4 inches
- Mature spread: 12 to 15 inches
- Hardy to: 7,000′
- Water requirements: Low
- Exposure: Full Sun
- Flower color: Yellow
- Flower season: Spring through Fall