'New Dawn' is a tall, large-flowered climbing rose, 10 to 20 ft (305–610 cm) in height with a 5 to 6 ft (152–182 cm) spread. Blooms are 3.5 in (8.9 cm) in diameter, with 26 to 40 petals. Flowers have a high-centered, cupped to flat bloom form, and are borne singly or in small clusters.