Arizona State Parks & Trails: Buffel Slayers
Help eradicate buffelgrass from the park and Save Our Saguaros! Be prepared to work hard! Bring at least 2 bottles of water, snacks, sunscreen, sturdy footwear, hat, long pants, and...
Free
7 events found.
Botany
Events for April 4, 2026
City of Surprise: Xeriscape Garden Tour
See the Surprise Xeriscape Garden in a new light by joining a guided tour with our Master Gardeners or Water Conservation staff. The tours are a great way to learn...
Free
Arizona State Parks & Trails: Cactus Walk at Oracle
Step into the desert’s hidden story on our guided interpretive cactus walk along the 1.2-mile Nature Trail. This immersive experience brings the landscape to life as you learn how cacti...
Free with Park Fee
Arizona State Parks and Trails: Daily Guided Nature Hikes at Red Rock
Every morning, a volunteer naturalist leads a guided nature walk informing visitors about the different life zones of Red Rock State Park. The subjects discussed on this walk may include...
Free with Park Fee
Maricopa County Library District: Ask A Master Gardener
Enjoy gardening? Do you have garden challenges you’d like to overcome? Need help with your landscape plants? Don't know what to plant or when? Want to start a vegetable garden,...
Free
The University of Arizona: Museum Day – Biosphere 2
Explore one of the world's most unique research centers. Biosphere 2 is dedicated to understanding Earth’s ecosystems and how we can create a more resilient future for our planet. Our...
$15
The University of Arizona: Museum Day – Tree Ring Lab
Step into the exciting world of dendrochronology at the Laboratory of Tree-Ring Research! Discover some of the oldest trees on Earth and uncover the science stories they hold in our...
Free