General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Annual
Sun Requirements: Full Sun
Water Preferences: Mesic
Soil pH Preferences: Moderately acid (5.6 – 6.0)
Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Plant Height: 8-24 inches
Fruit: Dehiscent
Other: 4-20 inch long cylindrical capsule containing numerous seeds.
Flowers: Showy
Flower Color: Yellow
Bloom Size: 1"-2"
Flower Time: Spring
Late spring or early summer
Late summer or early fall
Wildlife Attractant: Bees
Resistances: Deer Resistant
Drought tolerant

Common names
  • Showy Evening Primrose
  • Showy evening-primrose
  • Evening Primrose
Botanical names
  • Accepted: Oenothera grandis
  • Synonym: Oenothera laciniata var. grandiflora

Photo Gallery
Location: Pittsburgh, Pennsylvania
Date: 2012-06-07

Photo courtesy of Annie's Annuals and Perennials
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