Q.Holly bush disease
We have 4 Holly bushes next to each other. They were planed 18 yrs ago. Noticed in the fall they are thinning out. I am not sure if it is a disease or insects. Can you look at the pictures and give me your opinion?
Thanks Debbie
We did not receive the images.
Can you try to upload again?
Here are some articles that may help you.
https://www.gardeningknowhow.com/ornamental/shrubs/holly/diseases-of-holly-bushes-pests-and-diseases-damaging-holly-bushes.htm
https://www.gardeningknowhow.com/ornamental/shrubs/holly/holly-problems-holly-leaf-spot-or-holly-tar-spot.htm
https://www.gardeningknowhow.com/ornamental/shrubs/holly/leaf-scorching-in-holly.htm
https://www.gardeningknowhow.com/plant-problems/disease/how-to-get-rid-of-sooty-mold.htm