Arboretum Magnolia is a tree garden located in the town of Lohja in Finland. The garden consists of trees, shrubs, and perennial plants from across the world. The garden consists of over one thousand trees of various kinds. Most of the trees originate from China, Korea, and Japan. Approximately a third of the trees are North-American and a tenth from Europe and the rest of the world. The arboretum has a large number of trees from Japan and China that cannot be found anywhere else in Finland, while the focus is on being a tree and shrub garden the arboretum also has a lot of diversity when it comes to plants in general.
The garden is three hectares large and is situated on the shore of Lohjanjärvi. The arboretum has various themes varying from a Japanese garden, terrace garden, perennial garden, valley garden, conifer slope, hydrangea path, rhododendron path, stream path, spring path, hey path, and of course the magnolia path. A large quantity of the trees are been marked with QR codes to ease the access of getting additional information from the internet using mobile devices.
Guided tours of the garden are available from May to August from Thursdays to Sundays. A tour will approximately take one hour and they can be taken in either Finnish or English.
Arboretum Magnolia was established in 2003 although the garden opened its doors to the public for the first time in the summer of 2015 during an open day even for gardens. On that day the arboretum gathered approximately 350 visitors.