Between 1819 and 1835, Lord Sidmouth, Deputy Ranger, established several new plantations and enclosures, including Sidmouth Wood and the ornamental Isabella Plantation, both of which are fenced to keep the deer out. After World War II the existing woodland at Isabella Plantation was transformed into a woodland garden, and is organically run, resulting in a rich flora and fauna. Opened to the public in 1953, it is now a major visitor attraction in its own right. It is best known for the flowering, in April and May, of its evergreen azaleas and camellias, which have been planted next to its ponds and streams. There are also many rare and unusual trees and shrubs.