Evening Primrose (Oenothera Beinnis)

Evening Primrose is a biennial or short-lived perennial known for its bright yellow, cup-shaped flowers that open in the evening and emit a sweet fragrance, attracting night-pollinating moths. This plant forms a rosette of lance-shaped leaves during its first year of growth, and in its second year, it sends up tall flower spikes that bloom from late spring to summer. Evening Primrose is a hardy plant that thrives in a variety of soil types, though it prefers well-drained, slightly sandy soil. It is ideal for adding a burst of color and fragrance to gardens and is often used in wildflower meadows or as an accent plant.

Category

Sun Needs:

  • Full sun (at least 6 hours of direct sunlight per day)
  • Tolerates light shade, but flowers will be less abundant

Bloom Time:

  • Late spring to summer (typically June to August)
Size:

Height: 2 to 4 feet tall
Width: 1 to 2 feet spread

Attributes:
  • Bright yellow, cup-shaped flowers with a sweet fragrance
  • Flowers open in the evening and attract night-pollinating moths
  • Long, lance-shaped leaves that form a rosette in the first year
  • Ideal for naturalized or wildflower gardens
  • Tolerates poor, well-drained soils and drought once established
  • Deer resistant
  • Self-seeds readily, making it easy to grow in large colonies or meadows
  • Can tolerate a range of soil types, including slightly acidic to neutral soil
  • Attractive to pollinators, particularly moths, bees, and butterflies
  • Some varieties produce edible seeds, which are rich in essential fatty acids and have medicinal uses
Companion:
  • Black-eyed Susan (Rudbeckia)
  • Coneflower (Echinacea)
  • Blanket Flower (Gaillardia)
  • Yarrow (Achillea)
  • Shasta Daisy (Leucanthemum)
  • Sedum (Stonecrop)
  • Coreopsis
  • Wild Bergamot (Monarda fistulosa)
  • Salvia
  • Russian Sage (Perovskia atriplicifolia)

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