If the leaves of Clivia don't grow well, you can cut them all off. Its vitality is very tenacious, so only when the roots are healthy can you continue to grow.
When changing pots for plants, trim their roots and cut off the old and long roots. After pruning the roots, they should be disinfected to avoid being hindered by bacteria.
Extended data:
Maintenance/curing
1. Change pots: Changing pots is beneficial to the growth of Clivia. To choose the period when it grows vigorously, it is usually in spring and autumn. Mature ones should be changed once a year. When changing pots, the old roots and rotten roots should be cut off and the plants should be placed in the culture soil. After changing the culture soil, the soil should be completely compacted and watered.
2. Fertilization: apply more thin fertilizer, not too much, so as to avoid root rot. If you change pots, you should apply base fertilizer to them. After fertilization in spring and autumn, topdressing can be done properly, and topdressing should not be done as much as possible in winter and summer. In spring and autumn, you can grow on nutrients.
3. Temperature: To raise Clivia well, we must first know that it is very resistant to shade and likes a cool environment. Therefore, the summer temperature should be controlled at 15-25℃, not too high, and the lowest temperature in winter should not be lower than 10℃ to avoid frostbite.