Evening Primrose Seeds grow into annual or perennial plants with upright stems and cup-shaped flowers that open in the evening, typically in shades of yellow, pink, or white. They thrive in temperate climates with full sun and well-draining soil. Evening Primrose is ideal for garden beds, borders, wildflower gardens, and container planting, providing long-lasting blooms from late spring through summer and attracting pollinators.
Features
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Annual or perennial, upright growth habit
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Produces cup-shaped flowers in yellow, pink, or white that open in the evening
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Suitable for garden beds, borders, wildflower gardens, and containers
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Thrives in full sun with well-draining soil
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Attracts pollinators and provides seasonal blooms
Specifications
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Scientific Name: Oenothera spp.
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Common Name (US): Evening Primrose
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Seed Type / Variety: Garden Variety
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Growth Habit: Upright annual or perennial
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USDA Zones: 4-9
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Planting Season: Spring
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Growing Season: Late spring through summer
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Sowing Season: Spring
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Sowing Months: March to May
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Germination Time and Conditions: 10-21 days, keep soil moist, light recommended
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Sunlight Requirements: Full sun
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Soil Requirements: Well-draining, fertile soil
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Watering Needs: Moderate, allow soil to dry slightly between watering
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Mature Plant Size: 12-36 inches tall, 12-18 inches spread
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Plant Spacing: 12-18 inches between plants