Sep 27 Environmental & Natural Resources Building 2 Tour 8 – 9:30 a.m., Sept. 27, 2025 Join us for a tour of an urban oasis and learn how to create one at home
Sep 29 Short Take: What to Do in the Garden in October 5 – 5:30 p.m., Sept. 29, 2025 Join us online. October is the beginning of prime time in the Sonoran Desert garden! Find out what to plant, prune, and prep in this month's Short Take.
Oct 01 NEW! Firewise Landscapes 5 – 6 p.m., Oct. 1, 2025 Join us Online. Learn Firewise strategies to reduce wildfire risk, protect your home, and keep Arizona landscapes safe and beautiful.
Oct 05 Image Pruning the Way Nature Intended 2 – 4 p.m., Oct. 5, 2025 This in-person class in Phoenix will teach you the pruning techniques that will help you grow plants that are healthier, more attractive and take less maintenance to care for.
Oct 14 Pruning, Part 1 5 – 6 p.m., Oct. 14, 2025 Join us Online. Learn pruning basics for woody shrubs—tools, timing, and techniques like rejuvenation, heading, and size reduction.
Oct 16 Tucson Meet Your Natives - Tucson Basin to 4000' 5:30 – 7 p.m., Oct. 16, 2025 Join us Online. Explore Sonoran Desert trees, shrubs, perennials and cacti in a four-part native plant ID series that takes us from basin to peak.
Oct 17 Best Trees for Tucson 2 – 3:30 p.m., Oct. 17, 2025 Join us at the library. Learn how to choose, plant, and care for the perfect desert tree based on shade, form, flowers, lifespan, and more!
Oct 21 Pruning, Part 2 5 – 6 p.m., Oct. 21, 2025 Join us Online. Explore pruning philosophy & techniques with a focus on trees and palms. Learn the 4 D’s to keep trees healthy.
Oct 23 Tucson Meet Your Natives - Tucson 4000' - 5500' 5:30 – 7 p.m., Oct. 23, 2025 Join us Online. Discover desert grassland, oak woodland & riparian plants in part two of our Catalina native plant ID series.
Oct 30 Tucson Meet Your Natives - Tucson 5500' - 7500' 5:30 – 7 p.m., Oct. 30, 2025 Join us Online. Explore mid-elevation plants of the Catalinas in part three of our four-part native plant ID series.