The arboretum features some of the tallest and oldest specimen trees of their kind in Finland, planted over a century ago.
Mustila was established specifically to test whether trees from Central Europe, North America, and Asia could survive the Finnish climate.
The 'Azalea Slope' contains thousands of rhododendrons and azaleas that create a massive, multi-colored floral display during the peak season.
The site acts as an experimental forest, contributing data to international forestry and botanical research programs.
It contains a significant 'American Forest' section, mimicking the composition of temperate forests found in the Pacific Northwest.
The arboretum is privately owned but open to the public, continuing the legacy of the Tigerstedt family's botanical pursuits.
Arboretum Mustila is the oldest and largest arboretum in Finland, established in 1902 by A.F. Tigerstedt. It serves as a testing ground for foreign conifer and deciduous tree species in the Nordic climate. The site spans approximately 120 hectares, featuring diverse habitats ranging from dry pine heaths to humid, sheltered valleys. The arboretum is world-renowned for its extensive collection of rhododendrons and azaleas, which bloom in dense clusters along dedicated trails. The grounds include native Finnish forest sections alongside collections of trees from North America and Asia. Visitors can explore a network of woodland trails that connect different plant geographical areas. Research is still conducted on-site to monitor the hardiness of various tree species. The estate maintains a historical character, preserving the original intent of experimenting with exotic plant species in a subarctic environment.
The Azalea Slope during the flowering season in June provides the most vibrant color contrast.
Bring comfortable, waterproof hiking shoes as the terrain involves unpaved woodland paths that can be muddy.
Carry insect repellent during early summer, as the dense forest areas can be prone to mosquitoes.
Visit the onsite shop, which specializes in rare plant varieties and local horticultural products.
Attempting to visit during mid-winter, as many of the specialized paths and seasonal displays are inaccessible due to deep snow.
Open year-round, though the best visitor experience is limited to the snow-free months from spring to autumn.
Stay on marked trails to protect sensitive botanical collections and avoid picking any plant materials.
