If the newly bought clove flower has a flowerpot, the soil inside does not meet the later growth needs to be replaced, do not water and fertilize before changing the pot, loosen the soil around, hold the flowerpot and take out the plant. After the plants are taken out, the soil on the roots is removed, the roots are soaked in carbendazim solution for disinfection, and the roots are properly pruned. Provide loose, soft, acidic soil, preferably in deep pots. Fill the pots with soil and plant the lilacs.