How to Prune Cretan maple?
Little pruning is needed. Remove diseased, damaged, crowded or crossing shoots and unwanted growth. If needed, Prune only from late autumn to midwinter.

Cretan maple · Acer sempervirens
Also known as: evergreen maple
Grow in fertile, moist but well-drained soil in sun or partial shade. See tree cultivation for further advice
Little pruning is needed. Remove diseased, damaged, crowded or crossing shoots and unwanted growth. If needed, Prune only from late autumn to midwinter.