I have a Pentas plant growing in my garden. Suddenly, there is a white powder on it. What is this and how do I get rid of it?Plant Guides AnswerThe white powder that has appeared on your Pentas plant is most likely powdery mildew.This is a fungus that mainly affects plants in cold, damp weather.If your Pentas is growing in a shady location, moving into full sun will probably keep this from happening in the future.For now, spray it with a fungicide and avoid getting the foliage wet when you water it.Growing Pentas Lanceolata
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