Most Fragrant Viburnum

Pleasantly Fragrant

• Fragrance is rather subjective and usually a matter of personal opinion. Still, a few viburnums stand out as clear favorites among home gardeners who want a fragrant shrub. Burkwood viburnum (Viburnum x burkwoodii) is a species that has a strong, pleasant fragrance. Cultivars include "Anne Russell," which features pink blooms, and "Mohawk," which has a slightly spicy scent. Burkwood viburnum is hardy in USDA zones 5 through 8. Korean spice viburnum (Viburnum carlesii) is also among those considered as having a pleasing scent. "Compactum" is a slow-growing, small cultivar that reaches heights and widths of only 3 feet. Korean spice viburnum is hardy in USDA zones 4 through 7.

Unpleasantly Fragrant

• Some viburnums are very fragrant, but not in a way that will bring a smile to your face. Plant these shrubs well away from front doors or where people gather. Linden viburnum (Viburnum dilatatum) is a stunning plant that grows to 10 feet tall, with bright white flowers and equally bright red fall berries. The attractive flowers have a somewhat unpleasant scent. It is hardy in USDA zones 5 through 8. Viburnum tinus, which is an evergreen viburnum with bright blue fall berries, is said to give off an unpleasant odor when wet. This plant is hardy in USDA zones 7b through 10.

No Fragrance

• Nannyberry viburnum (Viburnum lentago) features large clusters of flat-topped white flowers. This large shrub -- which can reach heights of 16 feet -- does not have a fragrance. Nannyberry is a good choice for home gardeners that live in cold climates, as it is hardy in USDA zones 2 through 8. It also has edible fruit. Doublefile viburnum (Viburnum plicatum f. tomentosum 'Mariesii') makes up for its lack of fragrance with its striking appearance. This viburnum features cascading white flowers in the spring that are arranged on layered, horizontal branches. The shrub is equally attractive in the summer and fall. In the summer, the flowers give way to small red fruits that darken to black. Autumn color is a deep, reddish-purple. Doublefile viburnum grows best in USDA zones 5 to 8.

General Culture

• Viburnums need to be cared for properly if they are going to achieve optimal blooming. Plant these hardy shrubs in slightly moist, slightly acidic soil. Most thrive in soil that is rich in organic matter and in full sunlight, but this can vary by species. In general, the hotter the summer climate, the more likely the shrub will need some afternoon shade. A deep soaking during hot weather, plus a thick layer of mulch, will keep the soil cool and help these plants thrive.