Free-standing fruit trees or bush trees, such as those grown in an orchard should be pruned when they're dormant, in winter. Trained trees, such as espaliers, cordons, pyramids and fans should be ...

Prune other stone fruits (those with large ... tall trees with an upright central leader. Recommended for pear and persimmon trees, as well as dwarf and semi-dwarf apple trees.

The Bradford pear (Pyrus callerana "Bradford") was originally developed as a way to help control fire blight in pear trees.