How to Propagate Willmott's rose?
Propagate by semi-ripe cuttings in late summer or hardwood cuttings in autumn

Willmott's rose · Rosa willmottiae
Grows best in fertile, humus-rich, moist but well-drained soil in a sunny, open position. Mulch in late winter and, to improve flowering, apply a balanced fertiliser in late winter or early spring. See rose cultivation
Propagate by semi-ripe cuttings in late summer or hardwood cuttings in autumn