Breeding Begonia bulb, the soil needs to be fertile, loose and breathable, rich in humus, can present acid. Generally, garden soil can be added with river sand and rotten leaf soil. In order to increase fertility, some basic fertilizers can be added.
Bulbous Begonia like warm growth environment, half shade is better, more afraid of summer heat. The suitable temperature for growth is 16 ℃ - 21 ℃, which is not cold resistant. Basically, if the temperature is over 30 ℃, it may make the stem and leaf wither and even cause the underground stem to die. In winter, it is also necessary to keep a certain temperature, and the winter temperature should not be lower than 10 ℃. Bulbous Begonia needs long sunshine to bloom well, and it needs to keep sufficient light in summer, but it should be noted that in summer, direct sunlight is not allowed to shade in time, and the sunshine time in winter is short, so it needs to ensure sufficient light.
Bulbous Begonia like water and fertilizer, the growth environment is required to be wet, but there is no water, because it is afraid of water logging. Watering should be reduced in germination and flowering stage of Begonia. In summer, the air humidity needs to be increased by spraying water. In autumn and winter, Begonia bulbous gradually enters the dormancy period, so watering should be reduced. Fertilization needs thin application of fertilizer. During the growth period, it is possible to apply a few thin and rotten fertilizer water every 10 times. Some fertilizer should be applied to promote the flowering. Note that fertilization is not required in summer and winter.
The propagation of Begonia bulbous is mainly sowing, cutting and tuber cutting. Sowing and propagation can be carried out in spring or autumn, and cutting is mainly carried out in late spring and early summer.
Bulbous Begonia needs to be prevented from diseases and insect pests, such as root rot and stem rot, and thrips, aphids and leaf roller moths. It is necessary to improve the growth environment of bulbous Begonia and spray pesticides in time.