1 can be opened every year, but usually it can only be opened once a year. When its flowers wither in the first year, it will bear many seeds, which will fall into the soil and grow into new plants and flowers in the second year. However, this is only on the premise that the feeding environment is suitable. If the environment is too bad, it will not bloom normally.
2. Lighting: Its growth needs a lot of lighting. So we must choose a good place to plant it.
3. Weeding: If you want it to bloom every year, you must pull them out in time when it grows weeds. Because these weeds will rob plants of water and nutrients and affect their growth.