What to do about brown tips and yellow leaves on a Radermachera sinica (China doll)? One trick to turn yellow leaves green

Yellow spots appear on Radermachera sinica; use this method and it recovers quickly, with oily-green leaves and many new shoots

What could be causing the spots on the leaves of Radermachera sinica? How should it be handled? I looked at your picture; the spots appearing are mostly caused by indoor growing, poor ventilation, insufficient light, and air humidity that is too high, which causes its leaves to develop this kind of spot that starts out brown and gradually spreads outward, turning into yellow spots.

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If your indoor ventilation is very poor, I suggest you use mancozeb mixed with water to water its roots once, then use mancozeb mixed with water to spray the leaves, spraying three times with an interval of about seven days. If by the second time you can see obvious improvement and it no longer keeps spreading, that proves we have found the right cause.

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If spraying mancozeb still does not work, hurry up and repot it with fresh soil; its root system has rotted, in other words, root rot. Remove all the potting soil in time. Check the roots, completely prune away the rotted roots, and soak the roots in mancozeb. Repot with new soil. After repotting, be sure to place it in a well-ventilated spot, mist its leaves every day, and give it a little scattered light. In about a week it can return to normal.

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This kind of condition on the leaves of Radermachera sinica is caused by only these two reasons. First, you can analyse which cause it is based on your care situation. Choose different methods to treat it, and you can completely save it and cure it.

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