Detailed Explanation of Key Techniques for Propagating and Cultivating Perennial Flowers

I. Propagation by Seed
For some species that can bloom within one or two years after sowing, seed propagation is possible, and the plants grow quite robustly. However, the sowing time varies somewhat: depending on the dormancy period, they are sown either in spring or autumn. This cultivation method requires selecting a suitable substrate, which provides a good foundation for growth. The requirements for loam soil differ at different stages: loose soil can be used during the seedling stage, while clayey soil is suitable after a period of growth.
II. Propagation by Cuttings
This method can be used for plants that have distinct stem segments. It is very simple to carry out, and with a good substrate and proper temperature, the survival rate is very high. During cultivation, water must be sprayed frequently to keep things moist and promote rooting.
III. Propagation by Division
Some are rather special: they can produce seeds, but propagation by seed takes a very long time, or they bloom but rarely set seed or set very little. In such cases, the division method must be used, and the timing differs slightly depending on the species. When using this method, care must be taken to comb out and separate the root system properly, and the roots must not be damaged.