Tree Ulmus × 'Frontier' [Frontier Elm] Small tree that grows well under city conditions. Good Dutch elm disease resistance and moderate elm leaf beetle resistance.
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 × carlcephalum 'Cayuga' [Cayuga Viburnum] Cayuga Viburnum is a backcross between V. x carlcephualum and V. carlesii, known for its fragrant flowers and upright to slightly spreading habit. Pink buds open to clusters of white fragrant flowers in May. Leaves change from a dark green to a vibrant orange-red in the fall. Bacterial leaf spot can be a problem in some settings. Prune immediately after flowering for best flower show the next year.
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 farreri [Fragrant Viburnum] Some winter protection promotes best growth. Early flowering in spring is sometimes followed by a later frost/freeze that kills back the flowers and inhibits leaf growth.
Shrub Viburnum farreri 'Bowles' [Bowles Fragrant Viburnum] 'Bowles' is extremely rare in cultivation, but is considered a better performer than the straight species. Some winter protection promotes best growth. Early flowering in spring is sometimes followed by a later frost/freeze that kills back the flowers and inhibits leaf growth.
Shrub Viburnum farreri 'Candidissimum' [White Fragrant Viburnum] 'Candidissium' ('Album') has fragrant white flowers and yellowish-green foliage. Some winter protection promotes best growth. Early flowering in spring is sometimes followed by a later frost/freeze that kills back the flowers and inhibits leaf growth.
Shrub Viburnum farreri 'Nanum' [Nanum Fragrant Viburnum] Relatively small habit, up to 5' and rounded, it produces small panicles of pink flowers in spring. A dense, compact plant, 3 1/2' high and wide. Foliage is similar to the species but smaller. Shrub has an overal appearance of bronze-green. Some winter protection promotes best growth. Early flowering in spring is sometimes followed by a later frost/freeze that kills back the flowers and inhibits leaf growth.
