Helianthus annuus. The Taiyo sunflower is a stunning Japanese variety prized for its large, vibrant blooms and classic sunflower appearance. Growing up to 6 feet tall, it features single, sturdy stems topped with striking golden-yellow petals and a bold, dark center. Perfect for cutting gardens, borders, and sunny landscapes, Taiyo sunflowers are easy to grow and thrive in full sun with well-drained soil. Blooming in summer, their nectar-rich flowers attract bees and butterflies, adding life to any garden. Known for their long-lasting beauty, Taiyo sunflowers are a favorite among gardeners seeking reliable, eye-catching blooms for arrangements or ornamental displays.