Evening Primrose Seeds – Oenothera Lamarckiana

Evening Primrose (Oenothera lamarckiana) is a graceful, night-blooming plant admired for its bright yellow flowers and delightful fragrance. This easy-to-grow perennial attracts beneficial pollinators such as bees and moths while adding a vibrant, natural touch to gardens and landscapes. Known for its tall stems and large blooms that open in the evening, it’s an excellent choice for wildflower gardens, borders, and cottage-style landscapes. Evening Primrose is hardy, drought-tolerant once established, and thrives in various soil conditions.

Features:

• Produces large, bright yellow blooms that open during the evening.

• Attracts bees, butterflies, and other pollinators.

• Suitable for wildflower gardens, meadows, and naturalized areas.

• Drought-tolerant and low-maintenance once established.

• Blooms throughout summer with a pleasant fragrance.

• Ideal for both garden beds and containers.

Specifications:

• Scientific Name: Oenothera lamarckiana

• Common Name (US): Evening Primrose

• Plant Type: Biennial or short-lived perennial

• Bloom Color: Bright Yellow

• Bloom Size: 2–3 inches in diameter

• Plant Height: 24–48 inches (60–120 cm)

• Sunlight Requirement: Full Sun to Partial Shade

• Soil Type: Well-drained, sandy or loamy soil

• Watering: Moderate; drought-tolerant after establishment

• Germination Time: 10–20 days

• Days to Bloom: 60–90 days from sowing

• Sowing Method: Direct sow in garden soil or start indoors 6–8 weeks before last frost

• Spacing: 12–18 inches apart

• Growing Season: Spring to Fall

• USDA Hardiness Zones: 4–9

• Best Planting Months (by Zone):

  • Zones 4–5: May to June

  • Zones 6–8: April to May

  • Zones 9: February to March

• Use: Borders, wildflower gardens, pollinator habitats, decorative landscapes