Begonia like half shade environment, which requires mild climate. The best light is enough scattered light. Pay attention that the light should not be too strong, otherwise, the dry tip of leaves will turn yellow. Sufficient light can be given in spring, autumn and winter, and it can be maintained in a cool and ventilated place in the summer with strong sunlight. There is bright scattering light, and attention shall be paid not to shade too much, which will affect the growth of plants. The optimum growth temperature is 15 ℃ - 25 ℃.
It is not cold resistant. The temperature in winter should be kept above 10 ℃. >
Begonia like humid environment, can endure drought, but afraid of water logging. When watering, see wet when dry, keep the soil moist, and pay attention to no water in the basin. When the weather is hot, water more and spray water at the same time to increase air humidity and cool down. When applying fertilizer, pay attention not to apply large fertilizer. In the vigorous growth period, apply thin liquid fertilizer once every half a month. In the bud growing stage, some p and K fertilizer can be applied to make the flowers bloom brightly. In the flowering stage, it is necessary to reduce and stop fertilization. In winter, the growth slows down, and also stop fertilization.
The propagation of Begonia is mainly sowing and cutting. Sowing propagation can be spring or autumn, cutting propagation can be leaf, stem or rhizome.
In the breeding process, Begonia needs to be pruned in order to maintain a good shape to ensure the ornamental effect. Pruning can be combined with basin changing, which is conducive to germination of new branches and flowering.
The common diseases of Begonia are as follows: leaf spot, grey mould, root rot and Fusarium wilt, which need to be treated according to the specific symptoms. The pests are mainly scale insects, which can be caught manually or killed by spraying insecticides.