1、 Annual cultivation

Generally speaking, Catharanthus roseus is cultivated annually. If the breeding technology is not good, the flowers will bloom very small and thin in the next few years, which will seriously affect the beauty

2、 Perennial flowers

In fact, Catharanthus roseus is a perennial flower, that is to say, during the breeding period, if the maintenance method is appropriate, provide a favorable living environment for it, timely apply sufficient fertilizer and supplement sufficient nutrients, it can bloom and reproduce every year. However, if the maintenance method is not appropriate, the cultivation is not very good, and careful care cannot be given, the flowers will be very small in the years after the second year, which greatly reduces the ornamental value