1、 Pruning before flowering

The seedlings should be pruned before flowering, mainly by picking the heart. Pinch off the terminal bud when it grows to 4 to 5 leaves, and then each leaf axil will send out a lateral branch. Pinch off the lateral branch when it grows to 4 to 5 leaves. After 4 to 5 times of coring, it will form a circular or oval structure, and the plant shape will be plump, with a feeling of pot explosion

2、 Pruning after flowering

Catharanthus roseus has a large number of flowers. It becomes a flower from the terminal bud. After flowering, it will die and will not bloom again in the future. Therefore, the flowering places should be trimmed in time, and then they can bloom again from the branches and buds next to them