Aug 25 Science Short: Breaking Up Isn't Hard to Do: Why Your Tucson Soil Doesn't Need Gypsum 5 – 5:30 p.m., Aug. 25, 2025 Join Pima County Master Gardeners online. Why gypsum doesn’t work in Tucson soils—learn the soil science, common myths, and better options for desert soil health.
Sep 01 Short Take: What to Do in the Garden This Month 5 – 5:30 p.m., Sept. 1, 2025 Join us online. Learn what to do in the garden in September in the Sonoran Desert: what to plant, prune & prep after a scorching summer!
Sep 05 Tucson - Meet Your Mountain Wildflowers 5:30 – 7 p.m., Sept. 5, 2025 Join us online. Escape the heat! Discover the Sky Islands’ stunning wildflowers, how to ID them, and bring some beauty to your Tucson garden.
Sep 08 Common Garden Myths - Part 1 5:30 – 6:30 p.m., Sept. 8, 2025 Join us online. Let's separate fact from fiction in the garden. Learn science-based practices in this 2-part series—come to one or both!
Sep 09 Cool Season Vegetable Gardening 1:30 – 3 p.m., Sept. 9, 2025 Join us at the library: Cool season = great weather, fewer pests, less watering & more nutritious veggies! Learn key steps for in-ground & raised bed gardening.
Sep 10 Common Garden Myths - Part 2 5:30 – 6:30 p.m., Sept. 10, 2025 Join us online. Let's separate fact from fiction in the garden. Learn science-based practices in this 2-part series—come to one or both!
Sep 12 Welcome to Tucson Gardening: A Beginner’s Guide to a Thriving Garden in the Sonoran Desert 2 – 3:30 p.m., Sept. 12, 2025 Join us at the library. Gardening in the Sonoran Desert has unique challenges & rewards. Learn about the climate, soil & plants to garden successfully here!
Sep 13 Welcome to Tucson Gardening 11 a.m. – 12:30 p.m., Sept. 13, 2025 Join us at the library. Gardening in the Sonoran Desert has unique challenges & rewards. Learn about the climate, soil & plants to garden successfully here!
Sep 15 Welcome to Tucson Gardening 3 – 4:30 p.m., Sept. 15, 2025 Join us at the library. Gardening in the Sonoran Desert has unique challenges & rewards. Learn about the climate, soil & plants to garden successfully here!
Sep 15 NEW SERIES! The Secret Life of Plants – A Three-Part Series - Session 3: "Plant Lifecycles and Living Partnerships” 5 – 5:30 p.m., Sept. 15, 2025 Join us online in the 3rd of a 3-part series. Discover how plants evolved, reproduce, and sustain life as we explore life cycles and key partnerships that help plants thrive.
