Helianthus porteri is a species of sunflower known by the common names Porter's sunflower and Confederate daisy. It is native to the southeastern United States (Georgia, Alabama, and the Carolinas). Helianthus porteri grows on granite hillsides. It is an annual herb up to 100 cm (40 inches) tall. One plant usually produces 5 or more flower heads, each containing 7 or 8 yellow ray florets surrounding 30 or more yellow disc florets.