What's yours? (Courtesy of OSU Extension Service) Should plum trees be pruned in spring, fall or winter? Q: When is the best time to prune a 20-year-old plum tree? I get conflicting information.

But if you cut back plum trees in the summer they are much less likely to succumb to either diseases. Choose a dry day to prune, when the risk of infection will be at its lowest, and first cut out ...

The best pruning time for plum trees is early summer. Pruning plums in winter should be avoided, as there is a greater risk of silver leaf disease to which plums are prone. Start by removing ...