Discover the striking Oenothera biennis (evening primrose) at Swallowtail Center. This hardy biennial thrives in well-drained soil and basks in full sun to partial shade. Growing up to 4 feet tall, its stunning yellow blooms open in the evening, adding a unique splash of color to your garden. It's an ideal companion for Echinacea and Rudbeckia and serves as a valuable host plant for native moths. Elevate your garden's diversity and beauty with the evening primrose, a testament to our commitment to sustainable and vibrant plant life.