Grow the giant beauty of Mammoth Sunflower Greystripe (Helianthus annuus) in your garden! This variety is famous for its massive height (up to 3–4 meters) and large flower heads. The Greystripe seeds not only produce stunning blooms but can also be harvested as a healthy snack or bird feed. Product Details: Quantity: 15 premium seeds Variety: Mammoth Sunflower (Greystripe) Botanical Name: Helianthus annuus Plant Height: up to 300–400 cm Best Location: full sun, open soil Care: easy to grow, water regularly, fertile well-drained soil Highlights: Fast-growing with towering height Giant, vibrant flower heads for garden display Edible seeds – nutritious snack or bird food ? Perfect for gardeners who want both ornamental beauty and practical harvests.