The Nový Dvůr Arboretum is an arboretum in Stěbořice, Czech Republic. The arboretum is part of the Silesian Museum in Opava, and includes 7,000 different species from five continents, spread over 23 hectares. There are also 200 square metres of greenhouse space, including both tropical and sub-tropical climates, allowing the arboretum to also include trees and plants that require the climates of Africa, Asia, America and Australasia.