Bruce Langridge chats to National Botanic Garden of Wales horticulturist Carly Green. They talk about the ethics of using the term 'native plants' and Carly's skills in growing wild Welsh plants, including one of the rarest plants on Earth, the Welsh cotoneaster.  Carly highlights the benefits of having been the Garden's first horticultural apprentice and how the whole Welsh wildflower collection is being moved to a more prominent display area.