Oenothera Biennis Seeds - Herbal Plant

Oenothera biennis, commonly known as Evening Primrose, is a biennial herb recognized for its upright growth habit and seasonal yellow flowers. It adapts well to temperate climates and grows best in well-drained soils with moderate moisture. This plant is suitable for home gardens, borders, and naturalized planting areas where full sun exposure is available. It establishes steadily during the growing season and tolerates a range of common garden conditions.

Features

• Upright biennial herb growth habit

• Suitable for garden beds and borders

• Adaptable to temperate climates

• Prefers well-drained soil conditions

• Produces seasonal flowering stems

Specifications

• Scientific Name: Oenothera biennis

• Common Name (US): Evening Primrose

• Seed Type / Variety: Species type

• Growth Habit: Upright biennial herb

• USDA Zones: 4 to 9

• Planting Season: Spring

• Growing Season: Spring to Fall

• Sowing Season: March to May

• Germination Time And Conditions: 1 to 3 weeks; moist well-drained soil

• Sunlight Requirements: Full sun

• Soil Requirements: Well-drained sandy or loamy soil

• Watering Needs: Moderate watering

• Mature Plant Size: 3 to 5 feet tall; 1 to 2 feet spread

• Plant Spacing: 12 to 18 inches apart