Gardenia Plants

Powdery Substance

epicdharma added on March 25, 2013 | Answered

My indoor gardenia has recently acquired some powdery "stuff" on the stems of newer leaves. Is this something I should be concerned about? The substance is similar to dust.

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Certified GKH Gardening Expert
Answered on March 27, 2013

This is powdery mildew, which is caused by a fungus. Oftentimes, neem oil can help. Here is more information:

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Answered on March 25, 2013

Could it be pollen from blooms? Could it be mealybugs? A more detailed description would help. This link might answer questions for you:

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