Petioles are "rusty hairy" with grooves and sometimes wings. It adapts to a wide range of soils in Texas and sun exposures. It is a deciduous tree growing to 7.6 m (25 ft) tall, with reddish-brown to black bark appearing as block-like … – rusty blackhaw Subordinate Taxa. The dark green leaves are lustrous and shiny, surrounded by clusters of bright white flowers in spring. Responds well to fertilizer and irrigation but is quite drought tolerant. Rusty blackhaw viburnum has glossy leaves that turn to various shades of pink, red, orange and purple in the fall. In NC it occurs mostly in piedmont and coastal plain counties. With enough sun, they will produce abundant clusters of small white flowers in the spring, after the leaves emerge. FLOWERS AND FRUIT: Flowers form in clusters in mid spring after the leaves start to unfold. Showy flowers. Leaves are leathery, glossy dark green above, paler below, with red hairs on the veins and petiole, turning deep red in the fall. Leaves are dark green, three inches long, leathery, and extremely glossy. The young bark of small branches is gray and slightly rough, while the old bark of the trunk or larger branches is grey and rough with flat-topped plates. May be confused with Viburnum prunifolium [Blackhaw Viburnum]. Blackhaw viburnum (Viburnum prunifolium) has leaves that lack a glossy surface or red hairs underneath. Mature height is about 18′, but can be taller if grown as a single-stemmed tree form. Flowers Showy. The rusty parts of the plant include buds, the bottoms of leaves and young twigs. Simple, opposite, 1.5" to 3.5" long and 1" to 2" wide, oval or elliptic in shape, with fine teeth on the margin. Flower: Flat topped clusters of small, white flowers, with 5 petals and yellow anthers; clusters 2 to 4 inches across, appear in early spring. Positive: On Nov 12, 2004, melody from Benton, KY (Zone 7a) wrote: A large Southern shrub or small tree.Height 6' to 18' and leaves about 4" long.The small blackish fruits appear in Sept-Oct and are eaten by … COMMON NAMES: RUSTY BLACKHAW VIBURNUM, BLACKHAW, RUSTY NANNY-BERRY, SOUTHERN BLACKHAW, SOUTHERN BLACKHAW, DAWNY VIBURNUM, RUSTY BLACKHAW, Viburnum rufidulum   vi-BURN-um rue-FID-you-lum, HEIGHT:   10 to 30 feetSPREAD:   15 to 20 feetFINAL SPACING: 10 to 20 feet. The Blackhaw viburnum tree’s leaves are dark green, finely toothed and glossy. A dense, flat, round cluster of bright white flowers, 2" to 6" across, composed of small, five-petaled flowers and appearing at the tips of branches in spring, after the leaves unfold. Vase Shape. The name comes from the rusty brown hairs on the undersides of leaves, buds and stems. Has Deciduous foliage. Viburnum rufidulum (Vi-BUR-num rue-FID-you-lum) Even after the flowers fade, Rusty Blackhaw is easily identifiable by its glossy green leaves and opposite leaf and stem growth habits. COMMON NAMES: RUSTY BLACKHAW VIBURNUM, BLACKHAW, RUSTY NANNY-BERRY, SOUTHERN BLACKHAW, SOUTHERN BLACKHAW, DAWNY VIBURNUM, RUSTY BLACKHAW PROPAGATION:  Easily grown by seed or by semi-hardwood cuttings taken in the summer or early fall. © document.write(new Date().getFullYear()); Texas A&M Forest Service - All rights reserved, Member Texas A&M System In shaded, moist areas, it usually occurs as a single tree, although there may be two or three in an area. They are hairy beneath. Search Library Topics      Search Newspaper Columns. It grows to a height of 8 to 15 feet, has clusters of small white flowers in the spring followed by bluish-black droops late summer into fall. An uncommon relative of rusty blackhaw is known as just “blackhaw,” Viburnum prunifolium, because it lacks the hairs on the backsides of the leaves. Rusty Blackhaw Viburnum rufidulum is native to Texas and other States. Creamy-white flower clusters appear in spring. Rusty Blackhaw will grow and look nice in full sun or partial shade on any reasonably fertile, well-drained soil.