Joe Lamp'l — the host of the PBS series Growing a Greener World and a veteran gardening communicator — has spent his career making organic gardening accessible to a broad audience. This companion book distils the series' best content into a practical guide that covers the full cycle of the organic garden: soil building, composting, pest management, water conservation, and the philosophy of working with natural systems rather than against them.
What the Book Covers
Growing a Greener World is structured as a complete guide to organic gardening practice — from soil testing and amendment through bed preparation, composting, pest identification, and harvest. It is written for committed home gardeners rather than casual hobbyists, and it covers topics like soil microbiology, natural pest management, and water conservation at a depth that most popular gardening books avoid.
The book’s strengths are its visual clarity (extensively illustrated) and its consistent emphasis on soil health as the foundation of everything else. Lamp’l’s core message — that healthy soil produces healthy plants, and healthy plants resist pests and disease — is well supported and practically applied.
The Organic Philosophy
Lamp’l is a clear and consistent communicator of the organic philosophy: the garden is a system, not a collection of individual plants; inputs matter not just for their immediate effect on the plant but for their effect on the soil biology and broader ecosystem; the goal is not maximum yield but sustainable productivity over time.
The chapters on compost — making it, using it, understanding what it does — are among the best available in popular gardening literature. Lamp’l’s compost guidance is detailed, practical, and grounded in an understanding of the microbiology that makes compost valuable.
Feed the soil, not the plant. The soil will take care of the plant better than you can.
— Joe Lamp'l, Growing a Greener World
6 Key Ideas From This Book
A tablespoon of healthy garden soil contains more microorganisms than there are people on Earth. These bacteria, fungi, protozoa, and nematodes are the workforce that converts organic matter to plant-available nutrients, suppresses disease organisms, and creates the soil structure that allows roots to penetrate and water to infiltrate. Healthy gardening is the management of this community.
Compost improves soil structure in both clay and sandy soils, feeds the soil biology, suppresses certain plant pathogens, and provides a slow-release source of nearly all plant nutrients. Lamp'l makes the case that a garden with good compost inputs needs little else — and that the effort required to compost well is among the highest-return activities in the organic garden.
Drip irrigation, mulching, soil organic matter management, and plant spacing decisions collectively determine how much water a garden requires. Lamp'l's water conservation chapter addresses each variable and shows how organic soil management — through its effect on soil structure and water-holding capacity — is the most powerful water conservation tool available.
Plants under stress from nutrient deficiency, water stress, or inappropriate variety selection are more susceptible to pest and disease. Lamp'l's Integrated Pest Management approach starts with prevention — the right plant in the right place, well-fed and well-watered — before moving to physical, biological, and finally chemical intervention.
A useful clarification Lamp'l provides: "organic" in gardening refers to a philosophy of working with natural systems, not a prohibition on all inputs. Some naturally-derived pesticides and fertilisers are acceptable in organic systems; some "organic" products are as ecologically damaging as synthetic alternatives. Understanding the philosophy rather than the label is what matters.
Cover crops — planted to protect and improve soil between production crops — fix nitrogen, suppress weeds, prevent erosion, add organic matter, and support beneficial insect populations. Lamp'l's guide to cover crop selection and timing is one of the clearest available for home-scale gardeners.
Any Weaknesses?
The book is broad rather than deep — it covers an enormous range of topics at the level of a thorough introduction rather than the mastery that Coleman or Hartman provide in their specific areas. Serious gardeners will quickly exhaust it and need more specialist resources.
The companion-to-TV-series format means the book’s structure is driven partly by the series’ content rather than purely by what a gardener most needs to know. Some chapters feel more complete than others as a result.
Committed home gardeners making the transition from conventional to organic methods — a complete, encouraging, and practically oriented guide that covers all the bases without overwhelming beginners.
The Winter Harvest Handbook by Eliot Coleman for season extension, and Gaia's Garden by Toby Hemenway for the design thinking that takes organic gardening from a collection of techniques to an integrated system.
New homeowners who want to start a food garden but don't know where to begin. Lamp'l's accessible style and complete coverage make this a better first gardening book than most, with enough depth to remain useful as skills develop.
The PBS origins show in places — the book is occasionally less opinionated and more broadly reassuring than the best gardening writing. Come to it for the practical guidance; supplement elsewhere for the deeper philosophy.
Frequently Asked Questions
Is Growing a Greener World worth reading?
A thorough, well-illustrated, and consistently trustworthy guide to organic home gardening. Not the deepest book in any single area, but one of the best all-round introductions to the organic gardening philosophy and practice.
Who should read Growing a Greener World?
Committed home gardeners making the transition from conventional to organic methods — a complete, encouraging, and practically oriented guide that covers all the bases without overwhelming beginners.
What is Growing a Greener World about in one sentence?
Joe Lamp'l — the host of the PBS series Growing a Greener World and a veteran gardening communicator — has spent his career making organic gardening accessible to a broad audience.
The Verdict
A thorough, well-illustrated, and consistently trustworthy guide to organic home gardening. Not the deepest book in any single area, but one of the best all-round introductions to the organic gardening philosophy and practice.
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