886: Tony Sarah on Earth Friendly Fertilizers

Tony Sarah shares his background in the nursery business and the accidental discovery that led him to develop his organic fertilizer, Tony’s Magic Mix. He discusses the ingredients and scientific principles behind the fertilizer, focusing on soil health and balanced plant nutrients. Tony recounts success stories, such as record avocado harvests and thriving gardens in harsh climates like Phoenix and emphasizes the importance of promoting a healthy soil biome with organic fertilizers. Tony also talks about his personal journey, including past business failures, the success of his current business, and the support from his family. Tony concludes with a recommendation for spending time outdoors and enjoying the magic of nature.

881: Tom Spellman on Fruit Trees in Extreme Weather

Greg Peterson from Urban Farm Fruit Tree Program and Tom Spellman, a seasoned nursery expert with Dave Wilson Nursery, discuss the intricacies of managing fruit trees in a changing climate. They provide an educational overview of effective fruit tree planting and maintenance techniques. Key topics include the importance of proper planting mix, establishing adequate basins with woody mulch, painting trunks for heat protection, and using cover crops like cow peas and sweet potatoes to maintain soil health. They also emphasize supplemental irrigation during high heat periods, the significance of rootstocks, and managing wind stress with natural windbreaks. The session includes practical advice on insect management, the benefits of companion planting, and ensuring optimal nutrient supply tailored to tree growth stages. The wrap with announcing the launch of Tom’s new YouTube channel, ‘Growing with Tom Spellman,’ and a motivational note on personalizing one’s garden space.

878: Matthew Geldin on Building Neighborhood Farms

Host Greg Peterson interviews Matthew Geldin, head farmer at Farmscape in Southern California, about creating sustainable neighborhood food systems. Farmscape is the largest urban farming company in California, specializing in food-focused landscaping for various scales including backyard gardens, commercial campuses, and multi-family communities. Matthew shares his journey from landscape architecture to urban farming, explaining the challenges and successes of integrating food production into urban spaces. He emphasizes the importance of community-supported farms and discusses their work on notable projects like Levi’s Stadium. Then he reflects on overcoming challenges such as urban tree root intrusion, the evolution of community farming, and the significance of designing spaces that are both productive and beautiful.

877: Permaculture Principle ‘Observation’ with Don Titmus

Join Farmer Greg Peterson and Don Titmus, a horticulturist and permaculturist dive into month 2 of their yearlong discussion of the principles of permaculture. They discuss foundational aspects of observation, protracted and thoughtful observation (PATO), and the importance of understanding local environments. They also highlight their ‘Garden Chats’ available at gardenchat.org and urbanfarmpodcast.com, where listeners can learn more about permaculture ethics and principles. Additionally, they emphasize the need for in-person courses to build a strong community and offer practical examples of challenges like managing pests, weather patterns, and optimizing plant growth. Finally, they encourage documenting observations and naming one’s farm to cultivate a sense of ownership and community engagement.

876: Wicking Garden Beds with Ray Jess

In this episode we explore the concept of wicking bed gardens, hosted by Romey Romero & Farmer Greg, our guest is Ray Jess, a Master Gardener and hard goods manager of the Urban Farm Fruit Tree Program Store. Ray explains his journey from traditional gardening, which he has practiced since childhood in Central California, to discovering wicking beds during his Master Gardener training. He details the construction and benefits of wicking beds, which water plants from the bottom up, saving 40-50% of water, reducing nutrient loss, and requiring less frequent watering. Ray also describes the materials needed for building a wicking bed, and the principles behind its operation, including capillary action, evaporation, and condensation. The episode also touches on the suitability of different plants for wicking beds, the importance of garden bed orientation, and the process of succession planting.

874: High Yield Small Space Organic Gardening with Christy Wilhelmi

Returning guest Christy Wilhelmi discusses her new book, ‘High Yield Small Space Organic Gardening.’ Christy, founder of Garden Nerd, shares her expertise on small space, biointensive, and organic gardening techniques that allow her to generate up to 70% of her family’s produce from just 300 square feet.

Our conversation includes plant placement strategies, the importance of soil health, pest control, and various garden DIY projects. Additionally, Christie underscores the significance of testing soil quality and provides insights into the benefits of using a product called a tomato crib.