Zone 14057 | bacaffery added on April 26, 2016 | Answered
The leaves on the plant have white marks or scaring similar to scratches. What is it and how can I treat it if it is an insect?
Answered on April 27, 2016
I believe you are describing something know as corking.
It is the result of rapid growth and can even be effected by sunlight.
This will not effect your Christmas Cactus.
Here is an article that has more information.
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