Yellowish Leaves on Holly Bushes

Question

My holly bushes do not look healthy and have thinning leaves and some are yellowish. Do I need to put a particular fertilizer on them, or does the ground need to have a certain acid content or does my dirt have too much acid?

Answer 1

Here is an article that you may find helpful: https://www.gardeningknowhow.com/ornamental/shrubs/holly/holly-yellow-leaves.htm