Boyce Thompson Arboretum is Arizona's oldest and largest botanical garden, as well as one of Arizona's top tourism draws. Since being funded by mining magnate William Boyce Thompson in 1924, the Arboretum has blossomed into a total of 372 acres and nearly five miles of trails. 135 acres of gardens and more than 20,000 desert plants from all over the globe. The Arboretum is a must-see destination for families and nature lovers. Boyce Thompson Arboretum is a 501(c)(3) nonprofit corporation made possible by donations and earned revenue to further its mission.
