How to Prune shaving brush tree?
No pruning required but can be trimmed to maintain shape after flowering as the leaves emerge

shaving brush tree · Pseudobombax ellipticum
Grow in well-drained soil in full sun with protection from frosts. Provide regular water in summer especially if grown as a container plant but protect from excessive winter wet when the tree is dormant
No pruning required but can be trimmed to maintain shape after flowering as the leaves emerge