Showy Evening Primrose Seeds | 500 Seeds

Introduction

Showy Evening Primrose (Oenothera speciosa) is a fast-growing perennial wildflower valued for its large, delicate pink blooms and long flowering season. Known for opening in the evening and attracting pollinators, this hardy plant is well suited to U.S. gardens, especially naturalized areas, borders, and wildflower meadows. Easy to grow from seed, Showy Evening Primrose thrives in a wide range of conditions once established.

How to Grow Showy Evening Primrose Seeds

• Direct sow Showy Evening Primrose seeds outdoors in early spring after the danger of frost, or in fall in mild-winter regions.

• Choose a planting site with full sun to light shade and well-drained soil.

• Prepare the soil by loosening the top layer and removing weeds.

• Sow seeds on the soil surface and press lightly into the soil; do not bury deeply.

• Water gently to keep soil lightly moist until seedlings emerge.

• Seeds typically germinate within 10–21 days.

• Thin seedlings to 12–18 inches apart once established.

• Showy Evening Primrose performs best when direct sown and may spread over time.

How to Care for Showy Evening Primrose Plants

• Water regularly during establishment; once established, plants are drought tolerant.

• Grow in average to poor, well-drained soil; rich soil may encourage excessive spreading.

• Showy Evening Primrose thrives in warm temperatures and full sun.

• Fertilization is generally unnecessary.

• Deadhead spent flowers to maintain a tidy appearance, or leave seed heads to encourage reseeding.

• Plants spread by both seed and rhizomes and may require occasional thinning.

• Flowers attract bees, moths, and other pollinators.

• Very low maintenance once established.

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