Often the trees are trained on cordons, espaliers, trellises or walls.
It may be grown as an open dwarf, and is well suited for espaliers.
Some, however, are trained as espaliers against walls, and in fan shape.
In the form of espaliers plums are often trained against walls.
All of the better types of espaliers are suited to pear trees.
All bush fruits can be grown ...