how old does a cat have to be for catnip to work

how old does a cat have to be for catnip to work. There are some references to how old does a cat have to be for catnip to work in this article. If you are looking for how old does a cat have to be for catnip to work you've came to the right place. We have posts about how old does a cat have to be for catnip to work. You can check it out below.