The Urban Farm Podcast with Greg Peterson

With Mary and Andrew from EdgePerma.comIn This Podcast: Andrew Tuttle and Mary Marshall, co-founders of Edge Perma and Redtail Edge Design, share how they’re using immersive technology to transform regenerative agriculture education. Drawing from backgrounds in permaculture, ecological design, and lived experiences of healing through land stewardship, they explain how virtual farm tours can make regenerative systems accessible to anyone, anywhere. The conversation explores permaculture as a pathway to peace, community resilience, and personal healing, while highlighting the power of relationship-building, service, and inclusive learning. This episode weaves together technology, ethics, and heart-centered education to reimagine how people connect with land and food systems.Episode HighlightsImmersive virtual tours as a tool to “copy and paste” regenerative systemsPermaculture as a framework for peace, food security, and climate resilienceUsing technology to expand access to farm-based learningThe emotional and healing power of land stewardshipTeaching ethics, design, and systems thinking through lived examplesShifting from rejection to resonance through service and community careEducation designed for inclusion, not gatekeepingKey Questions AnsweredHow did Andrew and Mary’s journey lead them to permaculture and regenerative agriculture?Their path began with questioning systems of conflict and scarcity, combined with personal grief and a search for healing. Permaculture offered a framework where humans could become restorative forces within ecosystems and communities.What problem do virtual farm tours solve in regenerative education?Most people never get to visit functional regenerative farms. Virtual tours bring these spaces to students, growers, and communities, removing barriers of geography, mobility, time, and cost.How do Edge Perma’s virtual farm tours work?They combine 360° video, drone footage, aerial panoramas, 3D models, and clickable learning elements to show farms from every angle, including system evolution over time.What makes virtual tours different from in-person farm visits?They add layers of understanding—like aerial views, topography, and system mapping—that aren’t possible on foot, while complementing (not replacing) real-world visits.How does this approach support different learning styles?The immersive, visual format supports neurodiverse learners and people who struggle with traditional classroom-based education, helping more people feel seen and included.What role does community and service play in their success?Andrew and Mary describe a shift from self-promotion to service, relationship-building, and listening—an ethic that unlocked trust, collaboration, and new opportunities.What does success mean to them beyond business growth?Success is measured in meaningful human impact—healing landscapes, supporting grief and remembrance, and creating spaces that nurture both people and the planet.Key Topics & EntitiesEdge Perma

A Garden Chat with Don TitmusGreg 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. Drawing from decades of hands-on experience in arid and temperate climates, they explore observation, working with nature, stacking functions, and regenerative design. The conversation weaves together philosophy, practical examples from Phoenix and North Carolina, and reflections on how a Permaculture Design Course (PDC) can fundamentally reshape how people think and live.Our Guest: Don Titmus grew up in London and at age 16 spent 4 years being trained in horticulture through an apprenticeship and a college course. From there he continued landscaping in his hometown until he moved to Arizona in 1981, where he worked in landscaping and then starting his own business in garden maintenance. In 2003 he attended a Permaculture Design Course, which was life-changing for Don. He knew right away that this was the path he’d been waiting for, and later attended two Permaculture Teacher Trainings.Key Topics & EntitiesPermaculture ethicsPermaculture principlesObservation and designWorking with natureElements and stacking functionsZones (including Zone 0 / self-care)Regenerative and edible landscapesDrylands permacultureRainwater harvestingPerennial systemsPermaculture Design Course (PDC)Bill MollisonDavid HolmgrenUrban Farm PodcastBee Oasis (Mesa, AZ)Key Questions AnsweredWhat is permaculture, in simple terms?Permaculture is the art and science of working with nature—observing natural systems and designing human habitats that align with ecological patterns rather than fighting them.What are the core ethics of permaculture?Care for the earth, care for people, and care for the future (often expressed as sharing surplus). These ethics guide every design decision and ensure long-term sustainability and reciprocity.Why is observation considered the foundation of permaculture design?Spending time observing land, climate, wildlife, and human patterns prevents costly mistakes and reveals opportunities to work with existing energy flows rather than against them.What does it mean that “the problem is the solution”?Challenges—such as excess heat, water runoff, or waste—often contain the seeds of their own solutions when reframed through thoughtful design.How do elements and stacking functions create resilience?Each element in a system (trees, chickens, compost, water systems) should serve multiple functions, increasing efficiency, reducing waste, and strengthening connections across the whole system.What is a Permaculture Design Course (PDC), and who is it for?A PDC is a globally recognized 72-hour introduction to permaculture principles and design, tailored to local bioregions and intended to transform how participants think about land, community, and life systems.Why take a PDC in your own bioregion and in person?Local courses address climate-specific realities, and in-person learning builds community, shared experience, and deeper understanding through hands-on practice.How can permaculture principles apply beyond gardening?Permaculture offers a framework for life—informing health, relationships, work, energy use, and even practices like yoga—by emphasizing connection, care, and intentional design.Episode HighlightsPermaculture as a life framework, not just a gardening...

Seed Chat with Bill McDormanGreg Peterson and seed expert Bill McDorman dig into the urgent need for climate-resilient seeds as global conditions shift. They explore how traditional varieties falter under heat, drought, flooding, and unpredictable weather—and why locally adapted, open-pollinated seeds are becoming essential tools for regional food security. Bill outlines practical pathways for gardeners and growers to build resilience through diversity, landrace gardening, and modern microbiome research. Together they offer a grounded, hopeful roadmap for anyone looking to future-proof their garden or local food system.Key TopicsClimate-resilient seedsOpen-pollinated varietiesLocal adaptationLandrace gardeningSoil microbiome & mycorrhizaeRizophagy (Dr. James White, Rutgers)Elliot ColemanJohn JeavonsAl Gore COP30 climate updateHeritage grains & wheat diversitySeed libraries & seed exchangesNational seed infrastructure concernsJoseph Lofthouse & Going to SeedGenetic diversity & heterosisKey Questions AnsweredWhy do traditional seed varieties fail under climate chaos?Because they were bred for stable, narrow climate ranges with controlled inputs—conditions that no longer exist. Locally adapted seeds handle stress better and evolve alongside changing weather patterns.How can home gardeners contribute to climate adaptation?By introducing maximum genetic diversity into their gardens—mixing varieties, saving seeds, and participating in regional seed exchanges. This creates plant populations that actively adapt to local conditions.What is landrace gardening and why does it matter now?Landrace gardening mixes many varieties of the same crop and lets natural selection reveal the most resilient performers. It dramatically increases adaptability and requires less space and time than traditional trialing.How do soil organisms like mycorrhizae and bacteria affect climate resilience?They increase nutrient uptake, boost disease resistance, and help plants tolerate extreme conditions. Emerging rizophagy research shows plants actively cultivate microbes to meet stress.What resources should new growers explore to build resilience?Classics like The New Organic Grower (Elliot Coleman), How to Grow More Vegetables (John Jeavons), Joseph Lofthouse’s Landrace Gardening, and foundational seed-saving guides.Episode HighlightsClimate resilience requires local action, not waiting for national agricultural reform.Al Gore’s COP30 update emphasizes the urgency of transitioning agriculture.Soil microbiology breakthroughs (rizophagy) are reshaping how we understand plant roots.Most commercial varieties were never tested across wide climates—huge opportunity remains.Wheat alone has 400,000 documented varieties, yet only a handful dominate U.S. production.Diversity—not uniformity—is the foundation of resilience.Landrace gardening allows growers to trial hundreds of varieties in small spaces.Seed sharing and regional networks may become essential if national systems weaken.Calls to Action & ResourcesSeed Chat Live — SeedChat.orgGoing to Seed...

Chat with Carol Connare, Editor The Old Farmers Almanac In this episode, Greg talks with Carol Connare, Editor-in-Chief of The Old Farmer’s Almanac, the oldest continually published periodical in North America. Carol shares her path from archival work at UMass Amherst back to her “dream job,” stewarding the 234-year-old institution. She clarifies the recent confusion between The Farmer’s Almanac (which closed) and The Old Farmer’s Almanac (which is thriving), explains the Almanac’s origins, traditions, and editorial approach, and offers insight into how it continues to adapt to modern growers’ needs. The conversation touches on climate shifts, regional variability, moon-based planting, and the Almanac’s evolution from a simple calendar of the heavens to a robust gardening and seasonal guide.Key Topics & EntitiesThe Old Farmer’s Almanac (founded 1792)Carol Connare, 14th editor & lifelong gardenerRobert B. Thomas, original founderAlmanac history & competitionDifference between The Farmer’s Almanac vs The Old Farmer’s AlmanacLong-range weather forecastingClimate shifts & updated frost/planting tablesRegionalized weather zones (18 U.S. regions)Moon-phase plantingArchival content & historical continuityDiversification: calendars, guides, kids’ editionAlmanac.com as a major content platformHardiness zone recalibrationGrowing practices & resilienceKey Questions AnsweredWhat is the difference between The Farmer’s Almanac and The Old Farmer’s Almanac?The Farmer’s Almanac (founded 1818) was a separate publication that recently shut down. The Old Farmer’s Almanac, founded in 1792, is alive, healthy, and independent. Historically, multiple almanacs existed, often overlapping in name and content. Confusion persists because both shared similar naming and themes, but only The Old Farmer’s Almanac continues publication.How did Carol become Editor-in-Chief of such a historic publication?Carol “boomeranged” back to the organization after 20 years at UMass Amherst. Her archival and publications work there prepared her well, since the Almanac is essentially an evolving 234-year archive. As a lifelong gardener, she considers the role her dream job.What does an almanac actually do today?At its core, the Almanac remains a “calendar of the heavens”—tracking moon phases, sunrise/sunset, tides, and seasonal shifts. It layers this with planting guidance, long-range weather forecasts, reference tables, quirky curiosities, and everyday inspiration delivered “with a pleasing degree of humor,” following the founder’s charge.How does the Almanac support readers in different climates like Arizona vs. North Carolina?Weather forecasts and planting tables are region-specific across 18 U.S. zones. Frost dates, planting windows, and climate references are calibrated for local conditions, and updated continually—especially after recent hardiness zone shifts and warming trends.Is the Almanac adapting to climate change?Yes. Carol explains that warming patterns have required updated planting and frost guidance nationwide. The Almanac recalibrated its data after the 2022 hardiness zone update and continues to adjust based on reader feedback and on-the-ground observations.How does long-range weather forecasting work, and why is it famous?Though not fully explained in this segment, Carol highlights that long-range forecasting is a tradition dating back to the Almanac’s founding and remains one of its most used...

Today we’re joined by returning guest Joshua Thayer, permaculture designer, author, and founder of Native Sun Gardens in California. Joshua has helped communities across the U.S. and abroad design food forests that restore ecology and produce abundance. His new book, California Food Forests: Feeding the Future, distills decades of hands-on design into practical steps anyone can use—no matter where they live.Whether you're in a Mediterranean climate, drought-prone region, or temperate landscape, Joshua brings strategies to help you turn your yard, homestead, or urban lot into a resilient, stacked, biodiverse food forest.• What is Permaculture?Joshua breaks down permaculture as “applied ecology”—designing edible and ecological systems that match the local site, climate, and natural patterns. In this episode we learn why permaculture is adaptive, not formulaic.• What Exactly Is a Food Forest?A food forest is more than an orchard. Joshua explains how layers—from canopy to shrubs to vines to roots to mycelium—work together to create resilience, fertility, pollinator habitat, and year-round harvests.• Stacking Functions & Vertical LayeringJoshua details:How to place tall trees on the north side in the Northern HemisphereHow vertical stacking lets you grow way more in small spacesWhy “meadow-style” mid-height diversity beats densely planting tall trees• The 7 Layers of a Food ForestWe explore the classic permaculture layers:Canopy treesSub-canopy treesShrubs & bramblesHerbaceous plantsGroundcoversRoot cropsVines & climbers(+ the mycelium layer!)Joshua shares examples of plant combinations that thrive together and create symbiotic relationships.• Mediterranean & Drought-Wise DesignLearn why California’s Mediterranean climate is a perfect teacher for:Water-wise food productionSoils that need oxygen and drainageSelecting resilient varietiesPlanting drought-tolerant guildsJoshua also explains how these principles translated to a project in Virginia with soggy soil.• How to Start a Food Forest in 100 Square FeetJoshua’s favorite entry point:Start with a 10×10 ft “tile”One main tree (like apple, plum, avocado)Two supporting plants (berries + herbs)Add soil-building ground covers and root cropsMake it simple, modular, repeatable.• Top Mistakes New Growers MakeJoshua shares the big ones:Not starting because the project feels too bigPlanting too denselyCreating too much shade too earlyIgnoring soil healthDesigning tall trees before establishing the mid-layerHe explains how “thinking like a meadow” helps avoid over-shading and keeps the system diverse and manageable.Get Joshua’s New Book:California Food Forests: Feeding the Future — packed with design tips, plant guilds, AutoCAD templates, and practical maps to build your first 100-sq-ft food-forest module.Connect With Joshua:• Native Sun Gardens – Food forest design, consulting, and permaculture education -