Q.Hollies Are Turning Black
Our hollies’ leaves are turning black and whole branches have died off. The last one has now began this process. There is not a spot on the holly that is not affected.
Nikki
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on August 2, 2011
It sounds like it is either tar spot or sooty mold. Sooty mold is normally a result of a pest infestation. These articles will help:
https://www.gardeningknowhow.com/ornamental/shrubs/holly/holly-problems-holly-leaf-spot-or-holly-tar-spot.htm
https://www.gardeningknowhow.com/plant-problems/disease/how-to-get-rid-of-sooty-mold.htm
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