when soil is safe after cat has used it as litter box
How long do I have to wait to plant food crop in box that my cat used for litter box?
Certified GKH Gardening Expert
I would remove the litter, and and spray the area with neem oil, and rosemary oil, with a few drops of coconut oil in water. Although the soil itself isn't toxic, the cats can carry parasites that can infect your plants, and therefore you. As long as you treat the area as I mentioned, then you will be free to plant any time. Here is an article that will offer solutions to keeping cats out of the garden site: https://www.gardeningknowhow.com/plant-problems/pests/animals/cat-repellent.htm