Due to the sudden drop of temperature around October in North China, Oxalis is not resistant to cold, so it should be moved to the room for maintenance in time. Usually in late October (according to the local climate) put it in the indoor sunny place for maintenance. Of course, the South can survive the winter safely outdoors. If you encounter cold current, you can cover it with plastic bags to keep warm and moisturize.
In winter, the temperature is low, even indoor, water evaporation is slow. At this time, the watering should be controlled to avoid excessive watering of basin soil, which may lead to rotten roots. The common practice is to move to the room in the middle of October and then pour water once, and then pour water once a month. When the basin soil is too dry, spray water to the basin soil properly.
Oxalis grows slowly in winter and stops growing when the temperature is below 10 ℃. So there is no need to apply fertilizer in winter. The usual practice is to apply enough basal fertilizer to ensure that the soil can provide sufficient nutrients when the basin is changed every spring. When moving indoors, apply liquid fertilizer once, and stop applying fertilizer when the temperature drops.
In winter, the family room temperature is between 18 ~ 25 ℃, which is high for Oxalis. You can put it on the balcony facing the sun to ensure the temperature is above 6 ℃.
In winter, the light is weak. Generally speaking, the Oxalis is placed on the south balcony with full light. Change the direction of potting once a week.