What Are the Moisture Requirements for oak-leaved hydrangea 'Applause'?
Moist but well drained

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
Moist but well drained