How to Prune San José hesper palm?
No pruning required. Remove the lowest withered leaves (fronds) to improve appearances and leave a clear trunk.

San José hesper palm · Brahea brandegeei
Grow under glass in loam-based potting compost in full light. In growth water moderately and apply a balanced liquid fertiliser monthly; water sparingly in winter. Pot on or topdress in spring. See: palm cultivation indoors. Outdoors, grow in well-drained soil in full sun; will tolerate poor dry soil. Frost-free conditions are necessary year-round or bring undercover during winter.
No pruning required. Remove the lowest withered leaves (fronds) to improve appearances and leave a clear trunk.