The Smooth Arrowood Viburnum, also known as arrowood recognitum, is a rare and beautiful shrub that would make a stunning addition to any garden. This plant prefers full sun and is hardy in zones 3-8. Native to the eastern United States, the Smooth Arrowood Viburnum can grow up to 12 feet tall and 10 feet wide. Its glossy green leaves and clusters of fragrant white flowers make it a favorite among gardeners looking for a low-maintenance yet eye-catching shrub.