The requirement of keel flower to the soil is not harsh, it likes loose, airy soil, use the sandy soil that has humus commonly..
It needs sufficient sunshine. When the temperature is suitable, it can be directly put in the sun. When the temperature is higher than 35 ℃, it should be shaded or moved to a cool and astigmatic place to avoid sunburn.
Its shape and habits are similar to cactus, its rhizome is thick and drought resistant, so it is not necessary to water it too much. It can be watered once in 5 days in summer and once a month in winter.
The optimal temperature of keel flower is between 25-35 ℃, so don't put it in the overheated or cold outdoor during the growth period, and take it back to the indoor in time if the temperature is not suitable.
Growth period can be appropriate fertilization, fertilization once a month in general, you can choose the rotten chicken manure and cow manure, apply thin fertilizer.