The potted ginger lotus needs to cut off the residual flowers and branches in time after the withering of the flowers, so that the nutrients can be fully supplied to the plant, and the bottom of the rhizome slowly grows into a ball shape. In winter, when the temperature is low, cut off the leaves and put them into the indoor environment with the temperature above 10 ℃. You can spend the winter safely. Green planting of ginger and lotus, in the late autumn when its rhizome dug out, with peat ash wrapped in the root temperature of more than 10 ℃ indoor storage, the next spring can be re planted on the green.
The potted ginger and lotus in dormancy period should also absorb sunlight properly. The temperature is relatively high around noon. When there is plenty of sunshine, the ginger lotus should be moved to the place where the sunshine can reach to absorb the sunshine. You can also move outside for lighting.
During the dormancy period, the ginger and lotus cultivated indoors should be ventilated every few days. Windows can be opened for ventilation at noon when the weather is good and the temperature is high. When ventilating, don't put the ginger lotus in the vent, otherwise it will affect its growth and development. Can also be placed outdoors for ventilation.
At the end of November, the growth of Zingiber and lotus will stop, and the bulb will enter the dormancy period. It is necessary to dig out the ball root, wrap the ball root with sawdust and put it in a plastic bag. Store in a humid and ventilated environment.
Ginger lotus is a tropical plant, suitable for high temperature environment. In winter, when potted ginger and lotus are planted indoors, the indoor temperature should be kept above 10 ℃. When the temperature is lower than 10 ℃, there will be frostbite or rotten roots.
Pot ginger lotus into dormancy period should also stop fertilization, appropriate to reduce watering.
Before replanting in the second year, the bulb should be germinated in the environment of about 30 ℃, and it can be replanted after sprouting. Generally in two to three months can bloom.