Royal Botanical Garden, Peradeniya is located close to the city of Kandy in the Central Province of Sri Lanka. It is renowned for its collection of a variety of orchids. It includes more than 300 varieties of orchids, spices, medicinal plants and palm trees. Attached to it is the National Herbarium. The total area of the botanical garden is 147 acres (0.59 km2), at 460 meters above sea level, and with a 200-day annual rainfall. It is managed by the Division of National Botanic Gardens of the Department of Agriculture.
The classical Avenue of Palms is located in this Garden. One tree with a significant history is the Cannonball Tree planted by King George V of the United Kingdom and Queen Mary in 1901. The tree is bent with its fruits, which look like cannonballs.
During the Second World War, the Botanical Garden was used by Lord Louis Mountbatten, the supreme commander of the allied forces in the South Asia, as the headquarters of the South East Asia Command.