Viburnum rufidulum
Southern Blackhaw
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Southern Blackhaw (Viburnum rufidulum) - Description
Viburnum rufidulum, also known as the rusty blackhaw, blue haw, rusty nanny-berry, or southern black haw, is a flowering species of shrub or small tree that is common in parts of the Eastern and Central United States. It produces attractive flowers and fall foliage, as well as fruits that are popular with some species of bird.
Southern Blackhaw (Viburnum rufidulum) - Blooming
Blooms tubular flowers followed by ovoid red, blue, or black fruits. Some species produced flowers with fertile central flowers surrounded by sterile ray florets. Many are self incompatible. Fruiting is best when several seedlings of the same species are planted together, allowing cross pollination to occur.
Southern Blackhaw (Viburnum rufidulum) - Growth
Evergreen, semi-evergreen, and deciduous shrubs and some trees. Viburnums do well in sun or part shade. Height varies depending on variety, but one species will grow to approx. 30 ft. tall. Viburnum works well in shrub border or woodland garden. Plants attract wildlife.
Southern Blackhaw (Viburnum rufidulum) - Planting
Propagate from the seed in fall. Sow in containers in a cold frame or in a seedbed. Can also propagate deciduous plants from greenwood cuttings, and evergreens from semi-ripe cuttings, in summer.
Southern Blackhaw (Viburnum rufidulum) - Pest
Aphids, weevils, Japanese beetles, tree hoppers, scale insects, and mealybugs. Viburnum is also prone to powdery mildew, downy mildew, rust, wood rot, and gray mold.
Southern Blackhaw (Viburnum rufidulum) - Interesting facts
The flowers are sometimes fragrant. The fruits are toxic and can cause stomach discomfort upon consumption. Deciduous species color nicely in fall.
Southern Blackhaw (Viburnum rufidulum) - Soil and irrigation
Most Viburnum species require regular irrigation and will tolerate alkaline and acidic soils.
