Holly bushes

Question

One of three holly bushes is losing leaves which have turned yellow. All three bushes are of different varieties.
Is the one with yellow leaves liable to infect the others? Is there a treatment for it? Thank you for any light you can shed on the problem.
Marjorie

Answer 1

This is most likely a nutrient issue with your Holly.
Here is a link with more information and how to remedy the situation.

https://www.gardeningknowhow.com/ornamental/shrubs/holly/holly-yellow-leaves.htm

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