What should I do if the flowers of Rieger Begonia fall off? Why does it fall off?

1. Increase the temperature

1. Reason: Begonia is a typical tropical flower that likes to grow and bloom in a relatively warm environment. If it is placed in a place with too low temperature for a long time when it is about to bloom or has already bloomed, it will cause problems with buds and flowers falling off.

2. Treatment method: At this time, you need to help it increase the temperature and control the ambient temperature above 10℃. After breeding like this for a period of time, the problem will be improved.

2. Increase humidity

1. Reason: The environment is too dry and the humidity is insufficient, which is also the reason for the buds and flowers to fall. Because it prefers moisture, it cannot maintain good growth in a drier environment.

2. Treatment method: At this time, you should use a spray bottle to spray water around it, or place a humidifier around it to increase the humidity of the air.

3. Excessive watering

1. Reason: When maintaining it, you cannot overwater it. Otherwise, the water that it cannot absorb in time will remain in the soil and rot its roots. Problems with the root system mean problems with the supply of water and nutrients. Without the support of water and nutrients, the plants will naturally experience problems with bud and flower drop.

2. Treatment method: Dig the plant out of the old soil and cut off the rotten roots. Then plant it in new soil with better drainage and control the water for a while until it recovers.