The National Orchidarium and Botanical garden is situated in Yercaud, it is maintained by southern circle of Botanical Survey of India. The National Orchidarium established in the year 1963. The total area of orchidarium is 18.4 hectares. There are 3000 trees and 1800 shrubs grown in Orchidarium. Insectivorous pitcher plant is among the interesting plants grown in the Botanical garden. Some of the original forests still exist in the Yercaud hills and contain several endemic species of plants and fauna. The Yercaud hills have many faunal and floral similarities to the Western Ghats. The major industry is tourism, eco tourism with resorts amid high trees and green coffee.