What is the English name for Cornus Alba?
Cornus alba, the red-barked, white or Siberian dogwood, is a species of flowering plant in the family Cornaceae, native to Siberia, northern China and Korea. It is a large deciduous surculose (suckering) shrub that can be grown as a small tree. Cornus alba, commonly called tatarian dogwood, is a rapid-growing, multi-stemmed, suckering, deciduous shrub that is native to eastern and central Asia in areas in part inhabited by Tatars or Tartars. It typically matures to 8-10′ tall.Some of the tree and shrub dogwoods (Cornus kousa) have a graceful spreading habit, which provides sweeping branches of eye-catching white or pink flower bracts.
What are common problems with cornus alba?
When stressed, the shrub is susceptible to many disease problems. The most serious is dogwood anthracnose. Other diseases include powdery mildew, leaf spot, canker, root rot, and leaf and twig blight. It can also become vulnerable to borers. Dogwoods are treasured landscape trees. A destructive disease known as anthracnose can tarnish their beauty, degrade their health, or even kill the tree.In general, flowering dogwoods do poorly in compacted soils, dry soils, poorly drained soils, neutral to alkaline soils and also during prolonged periods of heat and/or drought. Two of the most serious problems they are sometimes afflicted with are dogwood anthracnose and dogwood borer.Flowering dogwoods will typically take six years to mature and bear flowers and fruit. Although the red drupes are beautiful, they are poisonous to humans due to high fluorine concentrations. Flowering dogwoods are beneficial to their environment in several ways.A Dogwood tree is a spring flowering tree that bears pink or white flowers. In the fall, bright red berries appear at the point where the leaves meet the branches. Dogwood berries are not toxic when eaten, but there have been reports of rashes after skin contact with the tree.