Q.Christmas Cactus
I noticed that my Christmas Cactus has very tiny white flacks on some of the arms. What is it and what can I do to be rid of them. Thanks
Downtoearthdigs
Answered on June 13, 2017
This could be scale or mealybug.
Treat the plant with Neem Oil.
Here are some links with more information.
https://www.gardeningknowhow.com/ornamental/cacti-succulents/christmas-cactus/christmas-cactus-pests.htm
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm
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