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

hydrangea 'Adria' · Hydrangea macrophylla 'Adria'
Grow in moist but well-drained, humus rich soil, in a lightly shaded spot with shelter from direct hot sun. Mulch annually in spring. Soil additives may be required to maintain specific flower colours; this cultivar gives good blue colour when grown in acidic soil or ericaceous compost. See shrubby hydrangea cultivation for more detailed advice
Propagate by softwood cuttings in early summer, or by hardwood cuttings in winter