Sorbus koehneana is a deciduous shrub or a small tree. It is native to Central China. It is part of the Rosaceae family of plants. It is also known as Sorbus fruticose ‘Koehneana’, Sorbus pogonopetala, or Koehne Mountain Ash. Sorbus koehneana has bright-green leaves. They are fern-like, pinnate foliage. The leaves turn a beautiful shade of red in autumn.
It flowers in late spring, in May or June. The flowers are panicles of five-petaled flowers. The color of the flower is white. Sorbus koehneana flowers on old shoots. It is followed by creamy-white waxy berries on red stalks.
It was first discovered by Ernest Henry “Chinese” Wilson (1876-1930), the British plant collector, and published in 1906 by Camillo Karl Schneider (1876-1951). He was a German botanist and landscape architect. In 1913 he traveled to China to collect plants and left in 1915. His first book was published in 1904 and then started “Illustrated Handbook of Broad-leaved Trees“.
Grow Sorbus koehneana in the sun or partial shade. Plant it in humus-rich, fertile but well-drained soil. Propagate by softwood cuttings in the summer. Alternatively, by grafting or chip budding on to a Sorbus aucuparia. Watch out for aphids, blister beetles, red spider mites, scale insects, canker, silver leaf, honey fungus, or fireblight.
Sorbus koehneana can grow to 4m or 14ft. It is slow-growing. And it is a multi-stemmed shrub with silver bark. It is hardy to -29ºC or -20ºF.