The young seedlings should be pruned before flowering, mainly by the way of heart picking. When it grows to 4 to 5 leaves, pinch off the top bud, and then each leaf axil will send out a side branch. When the side branch grows to 4 to 5 leaves, pinch off again. After 4 to 5 times of coring, it will form a round or oval structure, and the plant shape will be plump, with the feeling of bursting pot.
Catharanthus roseus has a large number of flowers. It is a flower formed from terminal buds. It will die after flowering and will not bloom again. Therefore, it is necessary to prune the flowers in time. Only after pruning can the flowers bloom again from the buds beside