Tree planting began immediately after the "konak" construction in the 1830s. In the 19th century it was the first nursery garden in Serbia. Most abundant species are platanus, black pine, spruce and field maple. The Topčider London Planes ("Platanus × acerifolia") are today among the oldest ones in Europe. The biggest and oldest specimen was high in 2008, with the diameter of the deck being , while the shade of its crown covers an area of . Some sources claim it was planted in 1834 when prince Miloš ordered for a seedling to be planted in the lime kiln in front of the "konak". Other, more reliable sources say the tree was planted in 1868, when 250 seedlings of "Platanus" were bought in Vienna, Austro-Hungary, for which a receipt still exist today. In 2015 it measured in height and was estimated to be 160 years old, while the crown has grown to and is now supported by the 17 metal piles. The tree is declared a natural monument.