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Gardening Know How Questions & Answers - https://questions.gardeningknowhow.comI have a yellow leaf holly bush in my garden and it is suffering with a black soot effect on the leaves on top and underneath. Could you tell me why this has happened and how I can sort this out?
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URLs in this post:
[1] https://www.gardeningknowhow.com/plant-problems/disease/how-to-get-rid-of-sooty-mold.htm: https://www.gardeningknowhow.com/plant-problems/disease/how-to-get-rid-of-sooty-mold.htm
[2] https://www.gardeningknowhow.com/problems/pests/neem-oil-uses.htm: https://www.gardeningknowhow.com/problems/pests/neem-oil-uses.htm
[3] https://www.gardeningknowhow.com/plant-problems/pests/mealybugs-white-residue-on-plants-leaves.htm: https://www.gardeningknowhow.com/plant-problems/pests/mealybugs-white-residue-on-plants-leaves.htm
[4] https://www.gardeningknowhow.com/plant-problems/pests/homemade-aphid-control-a-natural-way-to-kill-aphids.htm: https://www.gardeningknowhow.com/plant-problems/pests/homemade-aphid-control-a-natural-way-to-kill-aphids.htm
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1 Comment To "Holly Bush"
#1 Comment By Nikki On 05/01/2014 @ 8:28 am
The black residue is sooty mold, which is caused by the pests (usually aphids or mealy bugs). I would treat the plant with neem oil. It is effective against both of these bugs, as well as the sooty mold. Here is more information that may help you: https://www.gardeningknowhow.com/plant-problems/disease/how-to-get-rid-of-sooty-mold.htm [1], https://www.gardeningknowhow.com/problems/pests/neem-oil-uses.htm [2], https://www.gardeningknowhow.com/plant-problems/pests/mealybugs-white-residue-on-plants-leaves.htm [3], https://www.gardeningknowhow.com/plant-problems/pests/homemade-aphid-control-a-natural-way-to-kill-aphids.htm [4]