The Boyce Thompson Arboretum in Superior is Arizona's largest botanical garden. Photo by David Sanders / Arizona Daily Star, March 8, 2001. Photo taken on 3/8/2001.
Boyce Thompson Arboretum State Park
Founded in the 1920s by Col. William Boyce Thompson, a mining magnate, this is Arizona's oldest botanical garden. It is in Superior, Ariz., in Pinal County.
