My Medinilla plant has developed white spots in the leaves from one day to another. Did it get a fungus? What can I do?

Answer

Some tiny white spots which look like grains are actually growth sugars and indicate a healthy plant.

If the spots are spreading over the surface of the leaves, I would suspect a fungus such as powdery mildew, and use a fungicide as a repellent. White spots could be caused by insects or a chemical coming into contact with the leaves as well.

Updated on May 8, 2018

Original Article:

Medinilla Magnifica, aka the Malaysian Orchid or the Pink Lantern
By Gable Rhoads
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