Last year I was gifted with several potato bags in which to grow potatoes with my kids. In Southern California, our optimal potato growing time is early spring and early fall. Here is a great resource from Kids Gardening to help you get started on planting potatoes at home. https://kidsgardening.org/resources/growing-guide-potatoes/#:~:text=Container%20Growing%3A%20Choose%20a%20large,tops%20of%20the%20plants%20exposed.