Culture iron sea to use loose and permeable sandy soil, can use peat soil, sandy soil to add appropriate amount of basic fertilizer.
It's very drought resistant and doesn't need much water at ordinary times. Do not leave the soil in a wet state for a long time, it is easy to cause rotten roots. If the temperature is too high in summer, it will sleep and the amount of watering will be reduced. In addition, the amount of water should not be too much in the flowering period, which will cause falling flowers and root rot.
To give the Begonia enough light, in the flowering period to give enough sunshine, flowers will be more colorful, but also extend the flowering period. If the sun is not enough, it will lead to less flowers and dim colors. Shade measures should be taken in summer when the light is too strong. In winter, it should be placed on the south facing balcony or windowsill for maintenance.
The amount of fertilizer should not be too large. It is enough to apply thin fertilizer 2-3 times in spring. It doesn't like high concentration fertilizer, so it needs less fertilizer in autumn. In the growth stage, it's OK to apply fully decomposed cake fertilizer water once every 20-30 days. Do not apply too much nitrogen fertilizer, it may cause branches to grow in vain.