Royal Botanical Garden 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.