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Hyacinth Plant

Q.White Powder Spreading in Base of Plants on or in Mulch

Anonymous added on June 18, 2012 | Answered

I have just started noticing a white looking, powdery-like fungus in the mulch around the plants I recently transplanted. It’s only spreading on the mulch and has not gotten on the plant leaves yet. Can you tell me what it is and how to get rid of it?

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Certified GKH Gardening Expert
Answered on June 19, 2012

This is powdery mildew. Powdery mildew is caused by fungus. For more information, here is an article or two that you may find helpful: https://www.gardeningknowhow.com/problems/get-the-cure-for-powdery-mildew.htm

It can also be treated effectively with neem oil. Here is more information: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

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