Fan Palm Trees

White Powdery Substance on Mediterranean Fan Palm


Anonymous added on June 11, 2015 | Answered

We have Mediterranean palms that are covered with a white substance in the middle where all the new growth is. The new fronds have this substance on their main stalk too. What to do? These plants were planted 1 1/2 yrs ago. They're approx 4-5 ft tall. Thanks.


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ANSWERS
Downtoearthdigs
Certified GKH Gardening Expert
Answered on June 12, 2015

It is probably powdery mildew. You can treat it with either a chemical fungicide or neem oil. Both should be available at any store that sells gardening supplies. This article will help:
https://www.gardeningknowhow.com/plant-problems/disease/powdery-mildew-homemade-and-organic-remedies.htm

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