October – April: Open daily 8am – 5pm. Last admission 1 hour before closing.

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Welcome to Boyce Thompson Arboretum – An Oasis of Natural Beauty

Discover the Wonders of Nature at Arizona’s Premier Botanical Garden

Nestled in the heart of the Sonoran Desert, Boyce Thompson Arboretum stands as a testament to the beauty and diversity of the natural world. Founded in the early 1920s by mining magnate William Boyce Thompson, the Arboretum was born out of a deep appreciation and wonder of plant life. Today, it is Arizona’s oldest and largest botanical garden, spanning over 320 acres of breathtaking landscapes.

A Unified Mission of Conservation, Research, and Education

At Boyce Thompson Arboretum, our mission merges the conservation of desert biodiversity with scientific research and dynamic public education. As Arizona’s foremost botanical garden, we are dedicated to preserving diverse arid land plants, conducting ecological studies, and fostering environmental stewardship. Our efforts extend from protecting endangered species and habitats to offering educational programs for all ages. The Arboretum serves as a living museum, showcasing plants from arid regions around the world, including a vast collection of cacti, succulents, and desert trees.

A Haven for Flora and Fauna

Visitors are invited to explore our themed gardens, each offering a unique glimpse into different ecological niches. From the Australian Desert to the South American Collection, our gardens are teeming with life. The Arboretum is also a sanctuary for wildlife, with frequent sightings of butterflies and other desert dwellers. In 2007, the Arboretum was designated an Important Birding Area by the National Audubon Society and has since been named the most enchanting IBA.

Engaging Activities for All Ages

Boyce Thompson Arboretum offers a myriad of activities for nature enthusiasts of all ages. Join us for guided tours, bird walks, wellness workshops, and seasonal events that celebrate the beauty of the desert. Our educational programs aim to inspire a deeper understanding and appreciation of the natural world.

A Place for Reflection and Discovery

Whether you’re a seasoned botanist or a curious visitor, Boyce Thompson Arboretum promises a journey of discovery. Stroll along our scenic trails, find peace in our tranquil forest, and leave with a renewed sense of wonder for the incredible diversity of the Sonoran Desert.

Join Us in Our Journey

We invite you to be a part of our story. Explore, learn, and be inspired. Welcome to Boyce Thompson Arboretum, where every visit is an adventure into the heart of nature.

BTA Fact Sheet

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