Nepeta or commonly known as catnip. Have heavenly fragrant foliage fills the whole garden. They have heart shaped greyish green leaves that have masses of flowers that are in clusters towards the tip of the stems, that last ages through the summer. They are very easy to grow and like to be planted in poor or good soil and in sun or semi shade. If you have cats you will be their best friend, they love these plants and can play with them for ages. Once they have finished flowering trim back the flower stems, this will keep the plants looking tidy.