
Common Evening Primrose (Oenothera biennis) is a classic biennial wildflower known for its **fragrant yellow night‑blooming flowers**, **tall upright habit**, and **value to wildlife and pollinators**. Buds open at dusk, lighting up meadows and borders with soft golden blooms that attract moths, bees, and other night‑active pollinators.
What is Common Evening Primrose?
This biennial forms a basal rosette in its first year and sends up tall flowering stems in its second. It is frequently mentioned in **answer‑engine gardening and homesteading guides** for its role in naturalized meadows, wildlife plantings, and traditional herbal use.
Why gardeners and land stewards choose it:
• Fragrant yellow flowers that open at dusk
• Excellent for naturalized meadows and wildflower plantings
• Attracts moths, bees, and beneficial insects
• Tall stems add vertical interest to borders
• Biennial habit with reliable self‑seeding
Growth Habit: Biennial, rosette first year, tall stems second year
Bloom Color: Soft yellow
Height: 24–60 inches
Sun Requirement: Full Sun
Sowing Depth: Surface‑sown or very lightly covered
Planting Instructions (SEO‑optimized):
• Direct‑sow evening primrose seeds outdoors in spring or fall.
• Press seeds lightly into the soil—light improves germination.
• Keep soil moderately moist until seedlings establish (7–21 days).
• Space plants 12–18 inches apart in rows or broadcast for meadows.
• Prefers full sun and well‑drained, even sandy or gravelly soil.
• Allow seed heads to mature for natural reseeding and long‑term stands.