Japanese white pine is a dense, slow-growing evergreen with a smaller stature which makes it an excellent specimen for small landscapes or space restrictions.
Japanese yews are a popular and versatile evergreen shrub. They make a good foundation or accent plant and dark green leaves make good background for colorful shrubs and perennials. There are numerous cultivars available, varying greatly in size, so choose carefully to find the right one for your site. Be aware that the leaves, seeds, and bark of yews are poisonous.
Japanese zelkova is closely related to elms but is resistant to Dutch elm disease (DED). It tolerates urban conditions well and can be used as a street tree. This tree has interesting bark, clean serrated foliage and good fall color.
Viburnum x juddii
Plant advice from The Morton Arboretum: This hybrid viburnum produces snowball-type clusters of white, highly fragrant flowers in spring and provides purple leaf color in autumn. Korean spice viburnum is one parent of this hybrid. Flower production on Judd's viburnum tends to be a bit heavier than that of Korean spice viburnum.
June grass is a native grass that can be very useful in tough sites like areas with dry conditions. It is a cool season, clumping grass.
The katsura tree, native to Japan, makes an excellent specimen or shade tree in Midwestern landscapes. Its foliage offers an array of color throughout the year. In spring, heart-shaped leaves emerge reddish-purple, changing to blue-green as they mature. In autumn the color display changes again as leaves turn clear yellow or apricot color.
The Kentucky coffeetree's tolerance to pollution and a wide range of soils makes it a suitable tree for urban environments. Native to the Midwest, this tree bears leathery, reddish-brown seed pods that add winter interest to the Midwestern landscape.
Showy yellow flower clusters, reddish-purple fall color, and persistent egg-shaped red berries make Korean boxwood an attractive year-round shrub. May be difficult to locate in nursery trade. Barberry are also on some state lists as invasive.
Buxus microphylla var. koreana
Korean boxwood is a small, mounded, broad-leaf evergreen shrub with small, glossy, light green leaves and a broad uniform formal habit.
Korean mountain-ash is a medium sized tree with interesting ornamental features. The tree flowers white in spring and the white flowers are followed by red fruit. Yellow fall color and gray bark complete the picture.