Q.landscaping material
I just put pond stones (small) in all of my flowerbeds and landscape around my house. The neighborhood cats would not stop using all my flowerbeds for a litter box. Is it going to be okay for my Peony plants? they are most concern now.
Certified GKH Gardening Expert
As long as there is nothing that you are going to consume nearby, then it should not cause too much harm, but there is still a risk of transferring a disease that can be caught by humans. This article will help you to deter cats from the area: https://www.gardeningknowhow.com/plant-problems/pests/animals/cat-repellent.htm