There is no better way to enjoy spring all year ‘round than to bring your garden indoors. Let your indoor cat experience spring greenery by creating an indoor kitty garden. Choose the proper plants, so Mittens can enjoy the days in safety and satisfaction. Combine the coveted catnip with a bunch of fragrant, kitty-safe herbs to create a lovely, indoor oasis. Are you unsure which plants to choose? eBay can help you develop a garden your cat will love.