The ornamental value of landscape trees can be weighed by a variety of attributes, from interesting bark in the wintertime or colorful blooms in spring to the character of leaves that persists during the growing season. However, the foliage that embellishes branches to create a summertime canopy of beauty is often lost in the sea of green chlorophyll that fills the plant world during the growing season. I have always been interested in landscape trees with unique or interesting foliage that can...