Diseases of Holly plants

Question

Spiders seem to be on my plants and leaves have black spots.

Answer 1

You may have a Spider Mites infestation.
The leaf damage could also be caused by a few different issues including Leaf Spot disease.

Here are some links to help you.

https://www.gardeningknowhow.com/ornamental/shrubs/holly/holly-problems-holly-leaf-spot-or-holly-tar-spot.htm

https://www.gardeningknowhow.com/ornamental/shrubs/holly/diseases-of-holly-bushes-pests-and-diseases-damaging-holly-bushes.htm