Key points to note when repotting a Radermachera sinica (China doll): it recovers fast and grows vigorously

I want to repot my Radermachera sinica in autumn, is that okay? Why?

Autumn is a fine time to repot a Radermachera sinica, because the autumn air is crisp and the temperature is just right. Most plants can be repotted then. The least suitable seasons for repotting are summer and winter. In the high heat of summer and the low temperatures of winter, many plants stop growing or grow very slowly. After repotting they are hard to recover. Spring and autumn are the best seasons for repotting, as they are the seasons of rapid growth, with suitable temperature and light; after repotting the plant can recover quickly, and only after recovering can it grow quickly. That way it is less likely to die after repotting.

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The Radermachera sinica has a shallow root system, with no very large main root, but its roots will coil around the sides of the pot. When repotting, be sure to remove part of the old potting soil, but do not remove too much or you will damage the roots. For repotting, use loose, breathable soil; it fears compacted, waterlogged soil most of all. It likes moist soil but fears waterlogging. If waterlogged for a long time, its roots will stop growing and may even rot, and in the end the leaves of the whole plant will all wilt and the plant will die.

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Mix a loose, breathable soil, and when moving it from a small pot to a larger one, trim off some of the roots as appropriate. It is best to keep a clump of soil around the root ball and plant it in the new potting soil. After planting, put it in a cool, ventilated place, give it a little scattered light, and mist it with water every morning and evening. Within half a month at most, it will recover completely and start growing normally; after that you can return to normal care, with fertilizer, watering and a moderate increase in light.

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