Kousa dogwood also know as Cornus kousa is a disease resistant dogwood and grows 20 to 35 feet tall and 15 to 20 feet wide. It is vase-shaped with white or yellowish-white bracts which look like flowers. It's edible fruits are light red in color and green leaves turn purplish-red in fall.
Black-leaved ligularia or Ligularia 'Brit-Marie Crawford' was named one of the top perennials for 2006. It has a glossy maroon foliage with orange daisy-like flowers. Grows about three to four feet tall and spreads about the same. Needs full sun to part shade and prefers moist soil and shade. USDA Zones 4-9