This article should mention Bastford Arboretum which contains the national collection of japanese cherry.
From the independent.co.uk
Japanese maple, Japanese anemone, cherry trees, evergreens, and bamboo are other typical features of Du Cane Court's gardens.
From the en.wikipedia.org
Japanese architect Sou Fujimoto recently unveiled his ladies-only public restroom which has a toilet in a 200sq m private garden of cherry, plum and peach trees.