Sorbus vilmorinii (mountain slopes, roadsides, mixed forests along river banks, grasslands, bamboo thickets). "Sorbus vilmorinii" was described based on a specimen in cultivation that was an apomictic microspecies. However, almost indistinguishable specimens are diploid and frequent in the wild. Also hybrids are common in the wild. In cultivation, this plant provides a long season of interest as an elegant, compact tree which can be grown in smaller gardens. It has gained the Royal Horticultural Society's Award of Garden Merit. Like all rowans the fruit can be cooked and used to make bitter jellies or marmalades. Sorbus vilmorinii Sorbus vilmorinii, the Vilmorin's rowan
Sorbus aucuparia at elevations of up to 2000 m. "S. aucuparia" appears north of the boreal forest at the arctic tree line; in Norway, it is found up to the 71st parallel north. It has naturalized in America from Washington to Alaska and eastward in Canada and the northeast of the US very successfully. "Sorbus aucuparia" is an undemanding species and can withstand shade. It is frost hardy and can tolerate winter dryness and a brief growing season. The plant is also resistant to air pollution, wind, and snow pressure. "S. aucuparia" mostly grows on soil that is moderately dry to moderately