How to Prune stone gate palm?
Cut off old leaves close to the trunk

stone gate palm · Trachycarpus princeps
Grow in well-drained, fertile soil in full sun or lightly dappled shade. Needs protection from strong or cold, drying winds, strong sunlight when young, and hard, winter frosts. Can also be grown as a conservatory or warm glasshouse specimen. See palm cultivation outdoors and palm cultivation indoors
Cut off old leaves close to the trunk