Doug Tallamy is an entomologist who has spent his career studying the relationships between native plants and the insects that depend on them. *Bringing Nature Home* is his attempt to communicate the urgency of those relationships to the forty million Americans who own yards — and to give them a practical tool for addressing the biodiversity crisis in their own plots of earth.
Plants and Their Insects
The book’s central scientific argument concerns the specificity of insect-plant relationships. Most insects — and particularly caterpillars, which form the foundation of most food chains — are specialists that evolved alongside specific native plants. A native oak, Tallamy found, supports 534 species of caterpillar. A Bradford pear, a popular ornamental from China, supports exactly one.
This specificity means that when we replace native plants with ornamentals and exotics, we don’t simply change the aesthetic character of a landscape — we collapse its food web. Fewer caterpillars means fewer birds. Fewer birds means fewer seeds dispersed and fewer insects controlled. The ornamental garden is an ecological desert.
The Homegrown National Park
Tallamy makes a bold proposal: if American homeowners converted half their lawns to native plantings, the total area would exceed 20 million acres — larger than any National Park. The collective private garden is the most achievable large-scale conservation intervention available, and it requires no policy, no government action, and no sacrifice of individual property rights. It requires only informed planting choices.
Every plant in your yard is a decision about what kind of world you want to live in. A lawn is a decision. A native oak is a decision. The decisions add up.
— Doug Tallamy, Bringing Nature Home
6 Key Ideas From This Book
Native plants support orders of magnitude more insect life than exotic ornamentals. Since insects underpin virtually all terrestrial food chains, native plantings don't just look nice — they actively maintain the ecological communities that sustain birds, bats, amphibians, and other wildlife.
96% of North American land birds feed caterpillars to their nestlings. This single food chain bottleneck means that caterpillar abundance directly determines bird population. Caterpillar abundance directly depends on native plant cover.
The American lawn — 40 million acres of maintained turfgrass — supports almost no wildlife, requires enormous inputs of water, fertiliser, and pesticide, and produces nothing except visual uniformity. It is one of the most ecologically damaging land uses in North America.
No other genus of tree in North America supports more wildlife than oaks. A single native oak supports hundreds of insect species, which in turn support dozens of bird species, small mammals, and bats. Planting oaks is the highest-leverage single action available to a North American gardener.
Many native plant cultivars — selected for unusual leaf colour, unusual form, or double flowers — have reduced ecological value compared to straight species. A purple-leaf ninebark or a sterile-flowered coneflower supports fewer insects than the original form.
Wildlife moves through landscapes along corridors of suitable habitat. A native garden surrounded by monoculture lawns has less value than one connected to other native plantings. Neighbourhood-scale coordination multiplies individual garden impact.
Any Weaknesses?
The book is almost entirely North American in its plant and insect lists. European and Southern Hemisphere readers will find the specific plant recommendations inapplicable, though the underlying principles transfer. The chapter on plant lists is more useful as a method than a reference for non-American readers.
The writing is workmanlike rather than literary — Tallamy is a scientist writing for gardeners, and the prose reflects that. Some of the insect taxonomy chapters are dry. But the argument is compelling enough to carry the book despite the prose.
North American gardeners who want to turn their plot into a genuine wildlife habitat — and understand the science well enough to make informed planting decisions.
Wilding by Isabella Tree for the landscape-scale version of the same project, and The Hidden Life of Trees by Peter Wohlleben for the ecological context of why individual trees matter so much.
Local government parks managers and housing developers. The concept of the Homegrown National Park has direct implications for how public green space and private gardens in new developments should be designed.
The plant lists are North American specific. Non-American readers should use this as a framework and consult local native plant societies for species equivalents in their region.
Frequently Asked Questions
Is Bringing Nature Home worth reading?
Bringing Nature Home is the book that should go with every house purchase. Its argument — that your garden is either habitat or desert, depending on what you plant — is simple, well-evidenced, and immediately actionable. One of the most practically useful environmental books available for anyone who has a patch of earth.
Who should read Bringing Nature Home?
North American gardeners who want to turn their plot into a genuine wildlife habitat — and understand the science well enough to make informed planting decisions.
What is Bringing Nature Home about in one sentence?
Doug Tallamy is an entomologist who has spent his career studying the relationships between native plants and the insects that depend on them.
The Verdict
*Bringing Nature Home* is the book that should go with every house purchase. Its argument — that your garden is either habitat or desert, depending on what you plant — is simple, well-evidenced, and immediately actionable. One of the most practically useful environmental books available for anyone who has a patch of earth.
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