How deep are gardenia roots?

Question

There is a large gardenia planted at the foot of a grave in our family plot. Is there a danger of the roots going deep enough to damage the caskets?

Answer 1

I didn't find any evidence that the gardenia roots would grow deeply enough to affect a casket. Here's an article with more info: https://www.gardeningknowhow.com/ornamental/flowers/gardenia/gardenia-plant.htm