One of his first projects was to redesign the garden around the new north wing of the house and set up a pinetum, the collection of conifers that developed into a arboretum which still exists.
One of his first projects was to redesign the garden around the new north wing of the house and rebuild the pinetum for the cultivation of pineapples. Chatsworth's collection of conifers was also expanded by Paxton and developed into a arboretum which still exists.