I wonder if there are any utilities buried here ...?

This looks like a place that would be better off as groundcover or perennials.

Hi
what does that mean?
tx

Usually a "planter" is thought of as a separate, standalone device, like a flower pot, but much larger. Not sure how you mean the word here, in your title and initial post. Nevertheless, it looks like a place that would be better off as solid groundcover or perennials, rather than mowed lawn, or as a place for a "planter."