Anderson (1999) Scarlet Heaven is a beautiful scarlet red Itoh Hybrid with single to semi-double flowers. With the softly scented flowers a must for gardens and parks all over the world. Scarlet Heaven blooms easily and is rich in flowers that rise well above the plant with dark foliage. A beautiful plant for both solitary and group planting. Scarlet Heaven retains great ornamental value even after flowering. The leaves give beautiful autumn shades in the fall until frost sets in.