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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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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Programs & Events

Butterfly Walk with Adriane Grimaldi

September 23, 2017   9am

Butterfly expert Adriane Grimaldi (she’s the education director at Butterfly Wonderland!)   guides a walk through the gardens. This leisurely guided outing proceeds along paths that are wheelchair-accessible, exploring our Hummingbird-Butterfly Garden, Demonstration Garden and Children's Garden collections.  READ MORE

Geology Walking Tour Guided by ASU Prof. Steve Semken

September 23, 2017   8am

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


Arboretum Hours

Last admission one hour prior to closing

October – April
8:00 a.m. - 5:00 p.m.

May – September
6:00 a.m. - 3:00 p.m.

Arboretum Entrance Fee

Adult (13+): $12.50
Child (5-12): $5.00
Age 4 and under: FREE