Attracts birds. Menu Search Our Nursery 920-478-2121. Rich of nectar, they are loved by butterflies, bees and other pollinators. Very ornamental, Viburnum prunifolium (Blackhaw) is a large, multi-stemmed, deciduous shrub or small tree noted for its eye-catching flower clusters, colorful berries and attractive fall color. Blackhaw Viburnum is an American spcies, a deciduous shrub which reaches 15 feet high producing a cluster of white flowers, serrated oval leaves and blue-black berries. Blackhaw has been in cultivation as an ornamental plant since 1727. Blackhaw viburnum is a large shrub with an upright form and rounded shape, making this native shrub attractive when planted individually or grouped for a tall hedge or screen. Viburnum prunifolium is a north American native plant. Flat-topped clusters of creamy-white flowers appear in mid-May, followed by blue-black fruit which can persist nicely. Growth Rate This shrub grows at a slow to medium rate, with height increases of … Viburnum prunifolium (known as blackhaw or black haw, blackhaw viburnum, sweet haw, and stag bush) is a species of Viburnum native to eastern North America, from Connecticut west to eastern Kansas, and south to Alabama and Texas. Powdery mildew is worse on plants in the shade. Flowers. It commonly occurs in moist woods, thickets and on stream banks, in a range that extends from Connecticut to Wisconsin and Iowa south to Kansas, Texas and Georgia. It will grow in most types of soil, and it needs full sun or partial sun to do … The blackhaw viburnum can be expected to grow in Hardiness Zones 3–9. Blackhaw viburnum (Viburnum prunifolium) has leaves that lack a glossy surface or red hairs underneath. Noteworthy CharacteristicsU.S. wide (11 cm), are elegantly held above the foliage. Flat topped white flower clusters bloom in spring, giving way to yellow berries that turn blue-black. Blackhaw tree facts suggest that this “tree” grows naturally as a large shrub, since Blackhaw viburnum trees (Viburnum prunifolium) don’t generally grow taller than 15 feet high. The occurrence and spread of this disease is favored by a combination of warm days, cool nights, and humid conditions, but is inhibited by rain. The plants, though small, offer a nice mix of blossoms, berries and fall foliage display. Forest Rouge Blackhaw Viburnum is a shrub, with a dense, more oval, upright branching form. Viburnum species may become diseased with powdery mildew, caused by the fungus, Erysiphe sparsa (formerly Microsphaera sparsa). Tree Type Mature Size The blackhaw viburnum grows to a height of 12–15' and a spread of 8–10' at maturity. It grows in hedges, woodlands and thickets. Growth. Blackhaw grows to 12 to 15 feet high and 8 to12 feet wide. Interesting Facts: A small population of rusty blackhaws exists in the Davis Mountains of West Texas, far from the rest of its native range. Its distinctive bronze-green foliage on reddish purple stems turns blue-black in the fall. native. View Map. Fruit is red and is native to both Europe and North America. It can even reach 30 feet in height, though if it’s trimmed, it will stay around 15 feet or so. Bark is gray to brown on outside and reddish brown on inside. Blackhaw (Viburnum prunifolium) The blackhaw is one of the tallest viburnums that you will encounter. Blackhaw Viburnum is a large shrub or small tree with clusters of creamy white flowers followed by pink-rose berries, which birds love to eat. It is a deciduous shrub or … In spring, masses of flat-topped creamy-white flower clusters, 4.5 in. Fall color is an outstanding maroon!