What can we do to fix the problem?
We Have 2 Holly Bushes About 8 Feet Tall That Have Yellow Leaves Falling Off
Certified GKH Gardening Expert
If you have had a lot of rain and the drainage in the area is not good, it can cause problems with leaves. Is the ground swampy? If the ground stays wet, the roots can't "breathe" and falling leaves or yellowing would be a sign of this. Too much water causes iron chlorosis. This article will help you fix the problem: https://www.gardeningknowhow.com/ornamental/shrubs/holly/holly-yellow-leaves.htm