The Arboretum

As Arizona's oldest and largest botanical garden, Boyce Thompson Arboretum State Park is the place to discover the intricate beauty of desert plants from around the world.

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Programs & Events

Geology Walking Tour Guided by Scott McFadden

September 22, 2018   9:00 a.m.

Learn about rocks and volcanic formations along our main trail on a tour with professional geologist Scott McFadden as your guide for a lively tour that compresses almost two billion years of geologic history into just over one educational hour!  READ MORE


The Gardens

Sheer mountain cliffs, a streamside forest, panoramic vistas, natural habitats with varied wildlife, a hidden canyon, and more await you in the park's specialty gardens.

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Arboretum Hours

Last admission one hour prior to closing

October – April
8:00 a.m. - 5:00 p.m.

no park entry after 4:00 p.m.

May – September
6:00 a.m. - 3:00 p.m.

no park entry after 2:00 p.m.



Arboretum Entrance Fee

Adult (13+): $15.00
Child (5-12): $5.00
Age 4 and under: FREE