Murky said: Yes, all the plants were real that were growing on it. Most of them were types of succulents, not sure what the pink flowers are... maybe vincas? Sadly it was gone this May when I made the usual trip for the lilacs in bloom. Last year, 2022, was the only year they put it in the small pool. I wish they kept it, I liked it.
Here's a closeup of the center hump to see the individual plants hopefully a bit clearer: