The Arboretum is a city park in Nottingham, England. It was the first designated public park in Nottingham, selected under the authority of section 53 of the St. Mary's Nottingham Inclosure Act 1845. The botanist and horticultural publisher, Samuel Curtis, oversaw the design of the park which officially opened on 11 May 1852. In 1986 it was Grade II* listeā¦The Arboretum is a city park in Nottingham, England. It was the first designated public park in Nottingham, selected under the authority of section 53 of the St. Mary's Nottingham Inclosure Act 1845. The botanist and horticultural publisher, Samuel Curtis, oversaw the design of the park which officially opened on 11 May 1852. In 1986 it was Grade II* listed with Historic England.