Exbury Gardens is a 200-acre (81 ha) informal woodland garden in Hampshire, England with large collections of rhododendrons, azaleas and camellias, and is often considered the finest garden of its type in the United Kingdom. Exbury holds the national collection of Nyssa (Tupelo) and Oxydendrum under the National Plant Collection scheme run by the Plant Heritage charity. The gardens are rated Grade II* on the National Register of Historic Parks and Gardens.