It's a place where they grow decorative trees, a bit like a greenhouse .
Some towns have an arboretum.
Arboretum is a place so its a noun. Lets go visit the arboretum today.
Derby Arboretum was created in 1840.
Goethe Arboretum was created in 1959.
Westonbirt Arboretum was created in 1829.
Chesapeake Arboretum was created in 1996.
Lincoln Arboretum was created in 1870.
Arnold Arboretum was created in 1872.
Slayton Arboretum was created in 1922.
Morris Arboretum was created in 1889.
Hadwen Arboretum was created in 1907.
The address of the Arboretum Foundation is: 2300 Arboretum Dr E, Seattle, WA 98112