Oenothera Speciosa Seeds - Flower Plant

Oenothera speciosa, commonly known as Pink Evening Primrose, is a hardy flowering perennial admired for its delicate, silky pink, cup-shaped blooms and attractive green foliage. The fragrant flowers open in the evening and on cloudy days, creating a beautiful display from late spring through summer while attracting bees, butterflies, and other beneficial pollinators. This adaptable, low-maintenance plant is ideal for wildflower meadows, cottage gardens, borders, rock gardens, and naturalized landscapes.

Features

• Produces delicate pink, cup-shaped flowers
• Blooms from late spring through summer
• Attracts bees, butterflies, and other pollinators
• Excellent for wildflower gardens, borders, and rock gardens
• Drought tolerant once established
• Easy to grow and low maintenance
• Suitable for fresh, naturalized, and pollinator-friendly landscapes

Specifications

• Scientific Name: Oenothera speciosa
• Common Name (US): Pink Evening Primrose / Showy Evening Primrose
• Seed Type / Variety: Pink Flowering Perennial Variety
• Growth Habit: Spreading perennial
• USDA Zones: 5–9
• Planting Season: Spring or Fall
• Growing Season: Spring through Summer
• Sowing Season: February–April or September–October
• Germination Time and Conditions: 10–20 days at 65–75°F (18–24°C); lightly cover seeds and keep the soil evenly moist until germination
• Sunlight Requirements: Full sun to partial shade
• Soil Requirements: Well-drained sandy, loamy, rocky, or average garden soil
• Watering Needs: Low to moderate; drought tolerant once established
• Mature Plant Size: 12–18 inches tall, 18–36 inches spread
• Plant Spacing: 12–18 inches apart