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

hydrangea 'Zorro' · Hydrangea macrophylla 'Zorro'
Grow in moist but well-drained neutral to acid soil in partial shade or grow in sun if soil is reliably moist for the ultramarine colour flowers; on alkaline soils the flowerheads will have pink ray florets. See shrubby hydrangea cultivation advice for further advice
Propagate by softwood cuttings in early summer or hardwood cuttings in winter