How to Propagate hydrangea 'Baron Pourpre'?
Propagate by softwood or hardwood cuttings

hydrangea 'Baron Pourpre' · Hydrangea macrophylla 'Baron Pourpre'
Grows best in a moist but well-drained soil in partial shade, although tolerant of sun if the soil remains moist. See shrubby hydrangea cultivation for more detailed advice
Propagate by softwood or hardwood cuttings