Far Eastern plum is small bushy tree.
There are also yellow plums, sometimes they are trees and sometimes shrubs. The plums on them are small, if there is little light and it is cold, then the plums will be a little sour (fully ripe plums are sometimes a little sour.)
Grows in poor clay soils, about 2-3 inches of poor black earth is sufficient. Comfortable growing and fruiting temperatures in summer from +10С to +25С, in winter from -40С to -1. Rain and wind are familiar to him. Grows well in the shade.
(Seeds are taken only from plants growing in the wild taiga.)