The northernmost three quarters is known as Hesperia Park. Hesperia Esplanade in turn is a horse chesnut tree-lined boulevard that connects two main avenues: Mannerheimintie and Runeberginkatu. The Winter Garden is a historical greenhouse with Mediterranean plants and it is open to public free of charge. The area in front of the Winter Garden is a public park called Rose Garden. It is fenced and closes for the night. Behind the Winter Garden is the City Garden. The annual summer flowers for the city parks are cultivated there and the area is closed to the public.