How to Prune cherry plum?
Little pruning is needed. Remove diseased, damaged, crowded or crossing shoots and unwanted growth. If silver leaf disease is a concern, prune in midsummer.

cherry plum · Prunus cerasifera
Also known as: myrobalan; myrobalan plum; weeping plum; mirabelle
Grow in moderately fertile soil in full sun
Little pruning is needed. Remove diseased, damaged, crowded or crossing shoots and unwanted growth. If silver leaf disease is a concern, prune in midsummer.