Viburnum prunifolium is a species of Viburnum native to eastern North America, from Connecticut west to eastern Kansas, and south to Alabama and Texas. There are several varieties of blackhawviburnum, including: Viburnum prunifolium ‘Guazam’: This shrub grows slightly smaller than the main species plant and features dark green leaves... Common names: black-haw, blackhaw, blackhawviburnum.Black-hawviburnumsgrow 12 to 15 feet high and 8 to 12 feet wide. It is a large, suckering shrub or single-trunked tree. Blackhaw is a large, suckering, native shrub or small tree in the muskroot family that matures at a slow rate to 15 feet tall and nearly as wide. Soil Preference. The blackhawviburnumgrows in acidic, alkaline, loamy, moist, rich, sandy, silty loam and well-drained soils. It also tolerates drought. If you are growing a Blackhawviburnum as a specimen tree, you’ll need to prune off all leaders but the strongest. Prune this deciduous tree immediately after flowering in spring. The leaves of blackhawviburnum generally grow over 3” inches and are attached to the plant with small and slightly winged petioles, which turn red in the fall season. Rusty BlackhawViburnum is an excellent Texas native tree that can reach anywhere between 10-30 ft depending on its environment, with 12-18 ft being the most typical. Blackhawviburnum is a great option if you're after a tree that can grow in clay soil, and one that can bring beauty to your yard from spring through fall. Blackhawviburnum is a multi-stemmed shrub with an irregular crown. It can be grown as a small tree with a single trunk. It can reach heights of up to 30 feet... Viburnum prunifolium is a deciduous Tree growing to 7.5 m (24ft) by 5 m (16ft) at a slow rate. See above for USDA hardiness. It is hardy to UK zone 3. It is in flower in June, and the seeds... Rusty blackhaw exhibits a variety of growth forms, typically as a multi-stemmed shrub or occasionally a small tree reaching up to 12 to 15 feet (approximately 3.7 to 4.6 meters) in height. BlackhawViburnum Tree - Growing Tips and Facts.Rusty BlackhawViburnum, Southern Blackhaw, Downy Viburnum | Viburnum, Garden inspiration, Landscaping plants. How Do You GrowBlackhawViburnum? To successfully growBlackhawViburnum, plant it outdoors in spring or early fall. Water the soil thoroughly right after planting.