How to Propagate oak-leaved hydrangea 'Applause'?
Propagate by softwood cuttings in early summer and hardwood cuttings in winter

oak-leaved hydrangea 'Applause' · Hydrangea quercifolia 'Applause'
Grow in moist but well-drained soil in partial shade or in sun if the soil remains reliably moist. See shrubby hydrangea cultivation for more detailed advice
Propagate by softwood cuttings in early summer and hardwood cuttings in winter