Holly Bushes

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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ANSWERS
Downtoearthdigs
Certified GKH Gardening Expert
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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