Oenothera biennis Days to Maturity: Bienniel - takes 2 years to bloom Yellow Evening Primrose is a beautiful yellow wildflower native to North America. Tall stalks grow to 3-5 feet with new blooms from summer until first frost. Bees and pollinators love the fragrant flowers. This vigorous self-seeder will perennialize. We love the vibrant color and pollinator support! Planting Instructions: These Yellow Evening Primrose seeds do not need cold stratification or scarifying-- just plant straight in the ground! You may start them indoors 10 weeks before transplanting, or sow directly into the ground in fall or spring. Allow 2 feet diameter per plant. Seed Saving Instructions: In second year, allow flowers to go to seed. Collect Yellow Evening Primrose seed when fully dry and it easily crumbles into your hand. Approx 75 Yellow Evening Primrose seeds per packet
