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

double gean · Prunus avium 'Plena'
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.