Aug 11 Short Take: Composting in the Sonoran Desert – A Quick Guide to Success 5 – 5:30 p.m., Aug. 11, 2025 Join Pima County Master Gardeners online. Learn how to compost in the desert—what to use, what to avoid, and how to keep your pile active in hot, dry Sonoran conditions.
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.