Helianthus annuus. An open-pollinated mix of sunflower varieties from the NS/S collection, planted at the Conservation Farm to attract pollinators and beneficial insects. Sunflower heads reach up to 12 inches in diameter and the plants up to 12+ feet tall. Most are 8 feet tall. Includes plants with a single flower head, and others that are branched with multiple smaller heads. Seeds are a mix of black, white, and grey striped. Grow for the wonderful edible seeds!