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Gardening Know How Questions & Answers - https://questions.gardeningknowhow.comThe holly leaves are covered on the top with a black soot like covering which will rub off. Underneath the leaf I notice white deposits, not spots but small lines, which also rub off. Thank you.
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URLs in this post:
[1] https://www.gardeningknowhow.com/problems/pests/neem-oil-uses.htm: https://www.gardeningknowhow.com/problems/pests/neem-oil-uses.htm
[2] 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
[3] https://www.gardeningknowhow.com/plant-problems/pests/scale-bug-how-to-control-plant-scale.htm: https://www.gardeningknowhow.com/plant-problems/pests/scale-bug-how-to-control-plant-scale.htm
[4] 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
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1 Comment To "Holly leaves"
#1 Comment By Downtoearthdigs On 06/08/2015 @ 1:28 am
It sounds like sooty mold, which is a symptom of several kinds of pests, such as scale or mealy bugs, that can attack hollies. I recommend treating the plants with neem oil. This will kill any pests on the plant and treat the sooty mold as well. These articles will help: https://www.gardeningknowhow.com/problems/pests/neem-oil-uses.htm [1]
https://www.gardeningknowhow.com/plant-problems/disease/how-to-get-rid-of-sooty-mold.htm [2]
https://www.gardeningknowhow.com/plant-problems/pests/scale-bug-how-to-control-plant-scale.htm [3]
https://www.gardeningknowhow.com/plant-problems/pests/mealybugs-white-residue-on-plants-leaves.htm [4]