975: Healthy Plants Start in the Soil with Shota Austin

A Rosie on the House Radio Show Replay. In this episode explores the foundation of successful gardening: healthy soil. Farmer Greg is joined by Shota Austin from Tank’s Green Stuff to discuss composting, soil biology, and how gardeners in dry climates can transform lifeless dirt into thriving soil ecosystems. They explain how compost introduces life into depleted soils, why organic practices support soil microbiology, and how mulch, compost, and planting mixes work together to build resilient garden beds. The conversation also highlights practical strategies for gardeners, including dechlorinating water, choosing soil inputs wisely, and avoiding common soil-building mistakes.

962: Fruit Trees in the Low Desert or really anywhere for that matter!

A Rosie on the House Radio Show Replay. Farmer Greg joins Romey Romero on Rosie on the House to break down how to successfully grow fruit trees in the low desert, even during unusually warm winters.

923: Permaculture as a Life Design: Ethics, Principles, and Practice

A Garden Chat with Don Titmus. – Greg Peterson and Don Titmus reconnect for a November Garden Chat focused on reviewing the ethics and principles of permaculture and how they apply beyond gardening into daily life.

918: Permaculture Principle Information and Imagination Intensive

A Garden Chat with Don Titmus. – In this episode of the Urban Farm Podcast, hosts Greg and Don Titmus dive deep into permaculture’s eighth principle: ‘Information and Imagination Intensive.’ The discussion emphasizes using multi-disciplinary, data-driven approaches to problem-solving in sustainable design.

917: Cluck, Bak, Baaa – With Kari Spencer

A Rosie on the House Radio Show Replay. Romey Romero, Farmer Greg and guest Kari Spencer discussing backyard livestock, primarily chickens and goats, for urban farming. They chat about the benefits of keeping chickens and goats, including eggs, milk, garden pest control, and composting.

913: Everything Garden a Permaculture Principle

A Garden Chat with Don Titmus. – Greg and Don Titmus dive into the Permaculture Principle Everything Gardens, focusing on the beneficial relationships within an ecosystem, particularly soil, food webs, and the role of different plants and animals. They explore how weeds, chickens as soil tillers, water as a sculptor, and the role of fungi, earthworms, and birds all lead back to gardening.

907: Permaculture Principle The yield of system is potentially unlimited – A Garden Chat

A Garden Chat with Don Titmus. – Greg and Don Titmus start be discussing the importance of naming your farm and then dive deep into permaculture principle number six: the yield of a system is potentially unlimited. They touch upon Don’s synergized version of permaculture principles, emphasizing multi-functional elements in farming.

905: Growing Fruit Trees Successfully with Farmer Greg – A Rosie Replay

A Rosie on the House Radio Show Replay. Farmer Greg and Romey Romero discuss essential tips for growing fruit trees. They highlight the optimal time for planting, common mistakes homeowners make—such as planting in gravel or lawns and improper drip irrigation—and advises on best practices

901: Permaculture Principle Make the Least Change… – A Garden Chat

A Garden Chat with Don Titmus. – Greg and Don dive into the Permaculture Principle of ‘making the least change for the greatest possible effect’. The discussion covers various techniques such as composting, leveraging points in the system, and creating sustainable urban gardens.

899: The Many Ways To Compost with Greg Peterson- A Rosie Replay

A Rosie on the House Radio Show Replay. Romey chats with Farmer Greg about the many iterations of composting. urban farming and composting. They discuss Farmer Greg’s journey, his urban farm in central Phoenix, and his involvement in promoting sustainable and regenerative food systems. Emphasis is laid on the critical elements of composting, including the use of woody mulch, leaves, chicken manure, and food scraps.