1、 Soil

Loose and breathable sandy soil should be used for breeding Tiehai. Peat soil and sandy soil can be added with an appropriate amount of base fertilizer

2、 Moisture

It is drought resistant and usually doesn't need too much watering. Don't keep the soil moist for a long time, which is easy to cause rotten roots. If the temperature is too high in summer, it will sleep and the amount of watering should be reduced. In addition, do not water too much during flowering, which will cause flower falling and root rot

3、 Illumination

Give iron Begonia enough light and enough sunshine during the flowering period. The flowers will be more bright and prolong the flowering period. If the sun is not enough, it will lead to less flowering and dim flower color. If the light is too strong in summer, shading measures shall be taken. In winter, it should be placed on the balcony or windowsill facing south for maintenance

4、 Fertilization

The amount of fertilization should not be too large. It is enough to apply thin fertilizer for 2-3 times in spring. It doesn't like high concentration fertilizer and needs less fertilizer in autumn. In the growth stage, apply fully decomposed cake fertilizer water once every 20-30 days. Do not apply too much nitrogen fertilizer, which may cause excessive growth of branches