Tree Ulmus × 'Morton Glossy' [sold as Triumph™] [Triumph Elm] Upright oval to vase-shaped habit with arching branches, glossy dark green summer foliage, changing to yellow in fall; hybrid between Accolade® and Vanguard™. Dutch elm disease resistant, the best habit in early age of the Morton Arboretum elms.
Shrub Viburnum × burkwoodii [Burkwood Viburnum] Trouble-free plant tolerant of soils and pollution (except sulfur). Also, does not tolerate more severe drought. Very fragrant when in bloom, although to a lesser degree than Viburnum carlesii (Koreanspice Viburnum). Bacterial spot and powdery mildew susceptibility (but not always a problem). Sulfur containing pesticides burn or defoliate leaves. Too thin to be a solid screen.
Shrub Viburnum × burkwoodii 'Chenaultii' [Chenault Burkwood Viburnum] 'Chenaultii' has a finer-textured, more delicate appearance than the species type due to its smaller leaves and thinner branches. Trouble-free plant tolerant of soils and pollution (except sulfur). Also, does not tolerate more severe drought. Very fragrant when in bloom, although to a lesser degree than Viburnum carlesii (Koreanspice Viburnum). Bacterial spot and powdery mildew susceptibility (but not always a problem). Sulfur containing pesticides burn or defoliate leaves. Too thin to be a solid screen.
Shrub Viburnum carlesii [Koreanspice Viburnum] Very fragrant when in bloom. Bacterial leaf spot can be a problem in some settings. Prune immediately after flowering for best flower show the next year.
Shrub Viburnum carlesii 'Compactum' [Compact Koreanspice Viburnum] 'Compactum' is a drawf cultivar, maxing the height around 3-4 feet in height. Flowers are similar in size to straight species. Very fragrant when in bloom. Bacterial leaf spot can be a problem in some settings. Prune immediately after flowering for best flower show the next year.
Shrub Viburnum dilatatum [Linden Viburnum] One of the best viburnums for showy fruits. A different clone as a pollinator helps produce a more abundant fruit set. Borers can sometimes be a problem. Relatively trouble-free.
Shrub Viburnum × juddii [Judd Viburnum] The Judd Viburnum is a hybrid of Viburnum carlesii (Koreanspice Viburnum) and V. bitchiuense (Bitchiu Viburnum), and is considered a better choice for the landscape than both parent species. Very fragrant when in bloom. V. juddii has good resistance towards bacterial leaf spot, unlike V. carlesii. Prune immediately after flowering for best flower show the next year.
Shrub Viburnum lantana [Wayfaringtree Viburnum] The Wayfaringtree is a coarse-textured large shrub noted for its abundance of showy flowers and colorful fruits. Plant in groups with different clones for best fruit set. Has escaped cultivation and naturalized in some areas of the United States.
Shrub Viburnum × 'Oneida' [Oneida Viburnum] 'Oneida' is a hybrid most similar to its Viburnum dilatatum (Linden Viburnum) parent. This plant is known for profuse flower show in May, followed by continued, albeit sporadic, blooming through summer, and abundant fruits that persist into winter. Wide spreading branches. One of the best viburnums for showy fruits. A different clone as a pollinator helps produce a more abundant fruit set. Borers can sometimes be a problem. Relatively trouble-free.
