Cactus Growing Class

Curious about how to grow healthy, happy cactus in Tucson’s extreme desert climate? This introductory session will touch on the fundamentals of cactus care, from soil and sunlight to watering cycles and container options. Perfect for beginners and hobbyists alike, this class offers an open space to learn, observe, and ask questions about these resilient desert dwellers. Whether you're looking to start your first cactus collection or keep your current ones thriving, this is a relaxed and insightful way to grow your skills. About the Instructor Dr. Mark Holley, DPT, is a dedicated physical therapist in Tucson, and when he’s not helping people heal, he’s pouring that same energy into his extensive cactus collection. With decades of hands-on experience growing cactus and a deep appreciation for the unique ecosystems of the Sonoran Desert, Mark brings a passionate and practical approach to learning. He’s a lifelong learner, an avid gardener, and someone who finds real joy in sharing what he