Evening Primrose
Dusk-Blooming Native with Edible Roots
Evening Primrose - 2.5" pot is backordered and will ship as soon as it is back in stock.
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Evening Primrose (Oenothera biennis)
Evening primrose is a resilient native biennial known for its glowing yellow flowers that open at dusk and its long-standing role as both a food and medicinal plant. Found naturally in meadows, roadsides, and disturbed soils, it thrives with minimal care while supporting a unique range of nighttime pollinators. Its edible roots, leaves, and medicinal seeds make it a multifunctional addition to regenerative landscapes.
Key Characteristics
Night-blooming flowers for moth pollinators
Evening primrose flowers open in the evening, releasing a light fragrance that attracts nocturnal pollinators such as sphinx moths. These interactions support species often overlooked in daytime pollinator plantings, adding another layer of ecological function to the garden.
Edible root and greens across its life cycle
In its first year, the plant produces a taproot that has traditionally been eaten as a root vegetable, with a flavor similar to salsify. Young leaves can be harvested as greens, and flower buds are sometimes cooked as a vegetable. This makes it a versatile food plant in foraging systems and edible landscapes.
Medicinal seed oil for skin and hormonal support
The seeds are a well-known source of gamma-linolenic acid (GLA), used in herbal medicine to support skin health, inflammation, and hormonal balance. Seeds are typically harvested in the second year and processed into oil or used in herbal preparations.
Pioneer plant for soil regeneration and succession
Evening primrose thrives in poor, disturbed soils and helps initiate ecological succession. Its deep taproot breaks up compacted soil, while its presence stabilizes ground and prepares conditions for more complex plant communities over time.
- Native range: Eastern and Central North America
- Plant life cycle: Biennial (self-seeding)
- Sun requirements: Full sun
- Soil requirements: Dry to medium, well-drained (tolerates poor soils)
- Mature height: 3–5 feet (second year)
- Bloom time: June – September
- Bloom color: Bright yellow
- USDA Hardiness zones: 4–9
For best results, allow evening primrose to self-seed and naturalize in open areas. It performs best in minimally managed soils where natural disturbance can occur, making it ideal for meadow plantings and early-stage restoration systems.
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Sun RequirementsFull Sun
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Soil RequirementsDry, Medium
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Bloom ColorYellow
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Bloom TimeJune, July, August, September
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USDA Hardiness ZonesZone 4, Zone 5, Zone 6, Zone 7, Zone 8, Zone 9+
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