1、 Pruning residual flowers

Rieger Begonia has a long flowering period and consumes a lot of nutrients. When it blooms, it needs to cut off the residual flowers immediately to reduce the consumption of nutrients and accumulate nutrients to promote the next flowering. Pruning the remaining flowers not only refers to cutting off the failed flowers, but also the flower branches, which can be cut down from the position of the flowers, almost from the second section. Note that if there are many flowers on the flower branch, one of them has failed, but the other flowers are still open, so you can't prune them impulsively. You need to wait until all the flowers on this branch have failed

2、 Prune branches

After the flowers wither, in addition to pruning the remaining flowers, it is also necessary to properly prune other branches on the plant. Observe the growth of the whole plant. First cut off the sick branches and withered branches. Keeping these branches is harmful to growth, so you can cut them together this time. After that, thinning the old branches, weak branches and dense branches can not only reduce the nutrient consumption, but also increase the light transmittance and ventilation

3、 Precautions

After trimming, the incision shall be disinfected and sterilized to prevent decay caused by water. If the cut branches have bud points, don't worry about throwing them away. They can be used for cutting