Impatiens Plants

My Impatiens Are Wilting, Not Flowering, Losing Leaves Have a Powdery White


czawadzke@aol.com added on August 6, 2012 | Answered

Have a white powdery substance on underside of leaf. What is it? And how should I treat it?


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ANSWERS
Nikki
Certified GKH Gardening Expert
Answered on August 7, 2012

The powdery residue is from a fungal issue called powdery mildew. You can try treating the plant with neem oil. Here is more information: https://www.gardeningknowhow.com/plant-problems/disease/get-the-cure-for-powdery-mildew.htm
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

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