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Holly Bushes

Q.Diseased Holly

Anonymous added on June 12, 2015 | Answered

I have two Holly bushes that have developed what I think is fungus. The underside of the leaves have long white spots. When I shake the branch, small particles fly off. Do you know what it could be and, if so, how do I take care of it? Thank you.

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Downtoearthdigs
Answered on June 13, 2015

Are the spots powdery in nature. If so, it is is powdery mildew and can be treated with neem oil. Here is more info: https://www.gardeningknowhow.com/problems/get-the-cure-for-powdery-mildew.htm https://www.gardeningknowhow.com/problems/pests/neem-oil-uses.htm

In addition, it could be scale or mealybugs, which can also be treated with neem oil. These articles should help: https://www.gardeningknowhow.com/plant-problems/pests/scale-bug-how-to-control-plant-scale.htm
https://www.gardeningknowhow.com/plant-problems/pests/mealybugs-white-residue-on-plants-leaves.htm

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