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. English and Cooksey black walnuts are self-fertile but may produce at a younger age with a second variety for pollination. Plant two black walnut seedlings for pollination. Walnuts require full sun to crop effectively. 40 foot spacings are most commonly used as a permanent spacing for walnuts.