Flowering Perennials: Characteristics and Culture

Evening primrose

  • Scientific name
    Oenothera sp.
  • Height
    8 to 36 inches
  • Bloom period
    July to August
  • Color
    Yellow, pink
  • Light
    Full sun
  • Moisture
    Well drained
  • Soil
    Sandy loam, loam
  • Relative ease of care
  • Remarks
    Flowers open in evenings. Good rock garden plant. Some are invasive.