Barren holly trees

Question

Have several holly trees but no berries. Does this mean they are all male? If I buy a female and plant amongst them, will I get berries?

Answer 1

Adding male hollies nearby will certainly increase your chances of berries. But lacking males isn't the only reason you might not have berries. Here are more reasons:

https://www.gardeningknowhow.com/ornamental/shrubs/holly/holly-bush-no-berries.htm

https://www.gardeningknowhow.com/ornamental/shrubs/holly/how-to-tell-the-difference-between-a-male-and-female-holly-bush.htm

https://www.gardeningknowhow.com/ornamental/shrubs/holly/growing-holly-bushes.htm