Pruning purpose: to keep the plant beautiful, improve ventilation and light transmission conditions, reduce the occurrence of diseases and insect pests, save nutrition, promote (local) growth and development, and ensure full flower buds and bright flowers.

Pruning method: in February, dry and reshape, and shorten or "retract" some old branches to restore their vitality; From mid-March to early April, picking weak buds and deformed buds. In May, cut off the residual flowers in time; Cut off weak branches, diseased branches, dead branches and residual leaves at the end of autumn, clear the garden and burn it centrally.

Pruning and cutting: in June, select thick branches, cut them and dip them in rooting powder, then insert them into a sand basin and place them in a ventilated place to avoid direct sunlight.