The arboretum is managed by Forestry England, which also manages Bedgebury Pinetum in Kent. Ross added approximately 35 pine trees a year to the Arthur Ross Pinetum. The pinetum, one of the garden's earliest features, was destroyed. Bedgebury Forest is a forest surrounding Bedgebury National Pinetum, near Flimwell in Kent. The pinetum, located to the northwest of Central Park's Great Lawn, covers of Central Park. An arboretum specializing in growing conifers is known as a pinetum. Ross stayed actively involved in the pinetum, despite some instances of early vandalism. At Bedgebury National Pinetum, Kent almost a quarter of the trees were brought down. One well-known site is Bedgebury Pinetum, where flocks gather to roost in winter. Other features include a pinetum, terraced garden, as well as a walled kitchen garden. His wife, Lady Augusta, created the pinetum on the estate. The pinetum became a popular recreational area for New Yorkers. The 8th and 9th Earls established a pinetum on the grounds of the house. The Archbishop had a pinetum botanical garden planted in 1835. They planted the Pinetum in 1906, and began conifer plantations in the Forest.