How to Propagate hydrangea 'Trebah Silver'?
Propagate by softwood cuttings in early summer or hardwood cuttings in winter

hydrangea 'Trebah Silver' · Hydrangea macrophylla 'Trebah Silver'
Best grown in moist but well-drained soil in part shade although tolerant of sun if soil remains moist. See shrubby hydrangea cultivation for more detailed advice
Propagate by softwood cuttings in early summer or hardwood cuttings in winter