From Proven Winners:
With glossy, leathery, evergreen foliage, Castle Keep® blue holly makes a handsome choice for landscaping. This is a smaller-than-average blue holly, growing just 3-5' tall and wide.
A large stately deciduous conifer that has soft yellow green foliage in summer that transitions to a nice russet color in fall. A highly adaptable tree that can handle wet areas as well as tolerate drier spots.