Sensitive Plants are very toxic and should be kept away from animals and small children. I know cats can reach just about anything so here are a couple of ideas how to keep them away from your plants. Cats do not like the smell of citrus so sometimes orange peels in the soil keep them away. Pet Stores sell several products that smell awful to cats that you can spray on your plants. You can plant a pot of Kitty Grass that will attract your cats and keep them away from your other plants.