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Lemon Trees

Q.White “stuff” On My Indoor Lemon Plant

Zone 61350 | Anonymous added on July 15, 2023 | Answered

I have an indoor lemon plant and there are white spots on the leaves and limbs. It can be removed with a shower and by my fingers. What is it and how is it removed?

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Certified GKH Gardening Expert
Answered on July 16, 2023

It could be powdery mildew or a scale insect. Powdery mildew looks like talcum on the leaves. It is a fungal disease, usually from too much shade. Since yours is indoors, it may not be getting enough light.

There is a cushiony scale insect that leaves white spots. Here is info on both problems that should help:




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