Magnolia Trees

Powder on Jane Magnolia Leaves

DJ added on October 31, 2013 | Answered

I live in Maryville, TN. and there was a lot of rain this summer. Most of the leaves have fallen off. There is a powder residue on the leaves but looks like new growth is growing.

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Certified GKH Gardening Expert
Answered on November 1, 2013

The powdery residue is from a fungal issue called powdery mildew. You can try treating the tree with neem oil, often sold as fruit tree spray in some places. Here is more information:

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