Covering 200 acres, this arboretum, the highest-elevation research garden in the U.S., focuses on plants of the high desert, coniferous forests, and alpine tundra, all of which are environments found in the vicinity of Flagstaff. On the grounds are a butterfly garden, an herb garden, a shade garden, and a passive solar greenhouse. There are guided tours daily at 11am, 1pm, and 3pm. The arboretum also has regularly scheduled birds-of-prey presentations.

The Arboretum at Flagstaff is a 200-acre arboretum that is home to 750 species of mostly drought-tolerant adapted and native plants representative of the high-desert Colorado Plateau, home to the Grand Canyon and Zion National Park. It is located 3.8 miles south of U.S. Route 66 on Woody Mountain Road, on the west side of Flagstaff, Arizona, USA. The facility is located at 7,150' in elevation, making it one of the highest-elevation public gardens in the United States. The Arboretum has an extensive regional collection of the Penstemon genus and hosts an annual Penstemon Festival. The Arboretum was originally forest and a working ranch, and the home of Frances McAllister in the late 1960s. She donated the land and created its financial endowment for the Arboretum in 1981. To support research the Arboretum is also home to the Merriam-Powell Research Station and Southwest Experimental Garden Array. Using our online itinerary creator, Flagstaff attractions like The Arboretum at Flagstaff can form part of a personalized travel itinerary.

The Arboretum at Flagstaff is a botanical garden covering vast acres of land. It houses thousands of species of plants and trees. It is home to drought tolerant species, which includes native and adaptive species. It is the most apt representative of the high-desert Colorado Plateau. It is a cubicle to the Grand Canyon and Zion National Park. The Arboretum was originally a garden and a working ranch. This botanical garden has many different areas which is the gene pool for various habitats, with perennial, herb, pond and pine tree trails. The arboretum forms for a welcome respite from the heat of Phoenix.