Speaker: Lorien Tersey, Master Gardener Tuesday, February, 2025 How to Over-Summer Your Garden and keep your soil alive. Lorien Tersey has been gardening year round in Tucson for 23 years, building a one acre urban farm using integrated organic practices. She spent three years on the grounds staff at Tohono Chul Park and ..read more

  It's the Tucson Organic Gardeners Shop Hop! All day Saturday & Sunday, Feb 22-23! Free tours, classes, & demonstrations at local organic-gardening and sustainability-related small businesses. Plus discounts for Tucson Organic Gardeners members (membership is only $15/year!) on mulch, compost, soil, worms & worm castings, rainwater harvesting supplies, yard art, pots, aquaponics supplies ..read more

Speaker: Deborah North, Master Gardener Tuesday, January 21, 2025 Curious about the insects in your garden? Join us to discover some of the common insects you’re likely to encounter while gardening. As organic gardeners, it’s essential to identify and understand their life cycles so we can make informed decisions about whether action is ..read more

Speaker: Courtney Christie Tuesday, December 17, 2024 Our speaker, Courtney Christie, is a reptile and invertebrate enthusiast both in her personal time and profession. She is a zookeeper in the Herpetology, Ichthyology and Invertebrate Zoology department (HIIZ) at the Arizona-Sonora Desert Museum where she’s worked for the past eight years, and where she’s ..read more

Speakers: Kurtis Priebe Tuesday, October 15, 6:30 p.m. at St. Mark’s Presbyterian AND via Zoom Kurtis will be covering three topics as part of this discussion: 1) garden health, 2) regenerative gardening (restoring an inactive garden), and 3) introducing to the audience Steve Solomon’s book The Intelligent Gardener: Growing Nutrient-Dense Food (compost is good, but ..read more

Speakers: Charles Rogers  Tuesday, September 17, 6:30 p.m. at St. Mark’s Presbyterian AND via Zoom Our presentation is aimed at discussing the best planting practices possible for the regeneration and preservation of Sonoran Desert plants, soil and wildlife. Our methods have enabled us to produce positive results for regenerating Native Soil Biology, which ..read more

Jesus Garcia of Mission Gardens and the Desert Museum.  Learn how Native Americans and modern residents of the Sonoran Desert Region have used their environment to find food, medicine, and tools to live in harmony with the surrounding desert. Your community is more than just its people – it’s the whole ecological tapestry ..read more

Janick Artiola, Ph.D. is a Retired Associate Professor, Researcher, and Extension Water Quality Specialist from the Department of Environmental Science at the University of Arizona.  As a soil scientist/chemist Janick has expertise in water quality, waste management and soil fertility with 36 years of experience working with soils and water quality in semi-desert ..read more

Emily Rockey – Mission Gardens. Drought tolerance is a highly desirable characteristic of desert dwelling fruit trees, especially in current climate conditions. Tucson’s agricultural heritage museum called 'Mission Garden' grows desert adapted and native crops. The presentation will offer details about varieties’ drought tolerance and general hardiness, as well as insight about their ..read more

Shota Austin, of Tank’s Green Stuff, will discuss the foundation for healthy soil and how to foster healthy soil in the garden. Topics include but aren’t limited to: soil microbiology, soil health, mulch, pests, agroecology, and composting. He will explore how quality organic materials can be applied to encourage healthy soil and, in ..read more