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Helianthus annuus is an annual herbaceous flowering plant, not a tree. Depending on the variety and growing conditions, mature plants are commonly about 1–3 meters tall, although some cultivars can grow taller. It has a strong, upright, hairy stem with large, rough, heart-shaped to ovate leaves. The large flower head typically has bright yellow ray florets surrounding a dark central disc, which later develops numerous seeds. Sunflower is cultivated as an ornamental plant and an important oilseed crop. Its seeds are used as food and bird feed, while sunflower oil is widely produced for cooking and other applications.It grows best in full…