Climbing greenery is a term used to describe plants such as IVY that can be used to cover walls and other structures. IVY, which has three letters, is one of the most popular types of climbing greenery. It is a fast-growing plant that can quickly cover a wall or structure with its lush foliage. IVY is also known for its ability to thrive in a variety of climates and soil types, making it an ideal choice for many landscaping projects.