Heteromeles arbutifolia | California Flora Nursery Heteromeles arbutifolia toyon - Along back fence Toyon is a handsome native evergreen shrub 6 - 10 ft. tall and wide (or more). Sun to part shade, drought tolerant. Clusters of lacy white flowers bloom in summer. Spectacular bundles of red berries are relished by birds and are a great winter decoration. Valuable as a specimen, screen, hedge or bank plant. Birds attracted to the fruit .