I purchased a "blue maid" holly that is now loaded with berries, but they are yellow? Is this normal?
I Purchased a Blue Maid Holly
Certified GKH Gardening Expert
They can start out this way, but they should mature into a red color. If they don't then this could be a fertilization issue. First, add dolomitic lime to the soil, and then fertilize with an all-purpose fertilizer.
Here is a link to more information: https://www.gardeningknowhow.com/ornamental/shrubs/holly/fertilizing-holly-bushes.htm