The Arboretum at Flagstaff

The Arboretum was founded to explore and conserve the plants of the Colorado Plateau, the vast high tableland that spreads across northern Arizona and the neighboring states. This is demanding country for plants, high and cold in winter, dry much of the year, and battered by intense mountain sun, so the species that flourish here are hardy and specially adapted. The garden's collections and research focus on these tough native plants and on how they survive.

Because of its elevation and mission, the Arboretum is genuinely unusual. Most people picture Arizona botanical gardens full of cactus, but here the beds and meadows feature the wildflowers, penstemons, columbines, and mountain shrubs of the pine belt, framed by tall trees rather than open desert. It offers a living lesson in just how varied Arizona is, from the low deserts to these cool forested heights, all within a short drive of one another.

Through the warm months the Arboretum's gardens put on a show of high-country color. Wildflower beds and meadows bloom in waves as the season progresses, drawing bees, butterflies, and the hummingbirds that pass through the mountains. Interpretive gardens show off native plants suited to high-elevation yards, a practical resource for local gardeners learning to grow with the region's short season and thin soils.

The plants here are shaped by a brief but intense growing season. Winter locks the plateau in cold and snow, so everything must sprout, bloom, and set seed in the warm stretch between late spring frosts and early fall chill. That urgency makes the summer bloom feel especially vivid, a burst of life packed into a few short months, and it is the best time to see the garden at its fullest.

The Arboretum's forest and gardens make it a fine place for birds, and it is well known locally for its bird walks and, in season, live raptor programs where visitors can see hawks, owls, and falcons up close and learn about the birds of prey that hunt these mountains. Along the woodland paths, jays, nuthatches, woodpeckers, and warblers move through the pines, and Abert's squirrels rustle in the branches.

The setting itself is part of the appeal. The San Francisco Peaks nearby are the highest mountains in Arizona and are sacred to many Native nations of the region, including the Hopi, the Navajo, and others who hold the peaks central to their traditions. The Arboretum's tall ponderosa forest is part of the largest continuous stand of ponderosa pine in the world, so a walk here places you in a genuinely remarkable landscape.

Because of its high elevation, the Arboretum operates on the rhythm of the mountain year. Summer is the heart of the season, when the gardens bloom, the bird and raptor programs run, and the cool pine air offers a welcome escape from the heat of the desert below.

Late spring brings the garden slowly to life after the snow melts, and early fall lights the aspens on the surrounding peaks and cools the days pleasantly. Winter closes much of the garden, as deep snow and cold settle over the plateau. Even a summer visit calls for a layer, since a passing cloud or an afternoon monsoon storm can turn a warm day cool in minutes at this altitude.

The closest Boutel™ stays, so you can turn this stop into an overnight. Each is an independently owned, editorially selected place to stay.