The Desert Botanical Garden is a 140 acres botanical garden located at 1201 N. Galvin Parkway in Phoenix, Arizona Beautiful Cactus, Desert Plants, Trees, Shrubs, Flowers...Wonderful Garden of AZ Best ! The Butterfly "cage" hosts many plants as well as Butterflies. Monarch Butterflies are normally there in the fall - - Pic of butterfly taken in Nov. 2010. Other pics taken May 2012.. An enjoyable day trip - - close to Sun City .. East Valley.