Peach Gardens is a course in Mario Kart DS. It is the garden's of Peach's Castle. In the course, you have to look for Chain Chomps which can attack you.
The garden of Peach's Castle, appears in other games like, Super Mario 64, Paper Mario, Super Mario Kart, Mario Kart 64, Mario Kart: Double Dash, Mario Golf: Toadstool Tour, and for a short time in Mario & Luigi: Superstar Saga.