Mid to late season bloomers will pollinate each other. In warm climates, Shinseiki is among the varieties reported to be partially self-fertile. The latest third of the Asians will often overlap bloom and pollinize with the first third of the European pear bloomers. Mulch as with other fruit trees. The European plums grow well on heavy soils.
Japanese plums prefer lighter loamy soils.
Like the other fruits, they prefer a slightly acidic soil. Our St. Julian A rootstock is tolerant of a wide variety of soils. The European types can be grown as a central leader tree and don t require much thinning or pruning when mature. Fruit is born on spurs and also on new wood. Japanese plums are best grown with open centers and are very bushy, requiring thinning of branches.