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Add cheerful color and natural beauty to your garden with Oenothera Biennis, an heirloom flowering plant known for its bright yellow blooms and robust growth. These seeds grow into hardy, low-maintenance plants ideal for garden beds, borders, meadows, and container planting. Perfect for home gardeners seeking ornamental flowers that provide long-lasting color and attract pollinators.
Plant Type: Oenothera Biennis (Heirloom Flower)
Seed Type: Non-GMO, high germination
Growth Habit: Upright biennial/perennial
Height: 60120 cm (mature plant)
Flower Color: Bright yellow blooms
Blooming Season: Summer through early autumn
Sunlight: Full sun
Soil Type: Well-draining, fertile soil
Water Requirements: Moderate; drought-tolerant once established
Maintenance: Low; minimal care required
Pollinator Friendly: Attracts bees, butterflies, and beneficial insects
Seed Preparation: Optional cold stratification for 24 weeks improves germination.
Sowing Depth: Sow seeds 0.51 cm deep in seed-starting mix or garden soil.
Temperature: Maintain 1822C for optimal germination.
Watering: Keep soil lightly moist until seedlings establish.
Germination Time: 1020 days depending on conditions.
Transplanting: Once seedlings have 23 true leaves, transplant into garden beds, borders, or meadows spaced 3050 cm apart.
Care: Deadhead spent flowers to encourage continuous blooming; minimal maintenance required.