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Established in 1875, American Forests is a non-profit that was an enormously influential pioneer in addressing the over-exploitation and destruction of our nation’s forestlands.

Dr. Anurag Agrawal of Cornell University describes the many ways that plants defend themselves against locally indigenous insects, and how the insects defuse and even become dependent on the plants’ defense mechanisms

Dr. Claire Rutledge of the Connecticut Agricultural Experiment Station describes the ingenious use of native and non-native insects to control the damage done by this introduced, tree-killing pest

Bats play many positive, essential roles in the ecosystem, says Lee Mackenzie of Austin Bat Refuge – learn how to make your garden hospitable to these good and harmless neighbors

Sam Hoadley, the manager of the trial garden at the Mt. Cuba Center in Hockessin, Delaware explores the native sedges of Genus Carex, a diverse, largely untapped source of groundcovers, foliage plants, and turfgrass substitutes that thrive with little maintenance.

Distinguished horticultural educator Carol Reese shares a lively exploration of transexual plants and  other reproductive mysteries displayed in your garden (originally broadcast in January 2022).

In this revelatory book Dr. Lars Chittka of Queen Mary University of London explores the psychology of bees, their extraordinary learning abilities and their individual personalities.

Sara Weaner Cooper, Executive Director of New Directions in The American Landscape, describes her organization’s dynamic educational programing and her success in transitioning a front lawn into native meadow without the use of herbicides, smothering plastics, or turf removal

Although beloved by gardeners, earthworms are not native to the northern half of North America and can cause extreme changes in soil ecology there, with disastrous effects on native plants and animals.  A recent study Dr. Jérome Mattieu of the Sorbonne and colleagues reveals routes by which 70 species of alien earthworms are spreading throughout the United States

Ecological landscaping trail blazer Larry Weaner explains the importance of the long-term conversations you hold with your plants, letting them inform you about the role they can play in the garden ecosystem

Traditional gardeners shun plants that spread aggressively, but Ben Vogt, renowned natural garden designer, describes the positive roles they can play in an ecologically-based landscape

Amanda Freund of the Freund Dairy Farm describes how her family’s ingenuity has transformed manure from an environmental liability into a source of renewable energy, a means of recycling waste paper and cardboard, and “Cowpots,” a horticulturally superior replacement for environmentally destructive peat pots.

Dr. Amara Dunn-Silver of Cornell University discusses the advantages and limitations of biopesticides, and how, if properly used, they can often provide a more environmentally friendly alternative to conventional chemical treatments

Megan Edge of Victoria, British Columbia shares how her lifelong interest in foraging for wild foods and herbs set the stage for her current practice as a natural healer while also informing her passion for gardening.

Tom Knezick of Pinelands Nursery, one of the largest producers of native plants in the U.S., tells how his family’s business has mastered growing natives from locally collected seed, producing plants that are genetically diverse and regionally adapted.  The nursery industry as a whole claims this is too difficult and labor intensive; Tom describes how Pinelands has succeeded.

Dr. Matthew Kleinhenz of Ohio State University describes the ancient history of “biostimulants,” and how contemporary researchers are identifying natural bacteria and fungi that help crops cope with the extreme weather events of climate change

When automotive engineer Shubhendu Sharma met Japanese botanist Akira Miyawaki, Sharma found the cause he had been looking for.  Today, Sharma’s company Afforestt is the global leader in creating Miyawaki’s transformational tiny forests

Shubber Ali, CEO of Garden for Wildlife, a new venture of the National Wildlife Federation, describes how his company makes it almost effortless to order site-adapted, locally native plants that provide the maximum benefits for wildlife. 

Lady Bird Johnson put native plants on the map with her program to plant wildflowers alongside our nation’s highways in the 1960’s.  Her legacy, the Lady Bird Johnson Wildflower Center, continues to play a key role by providing gardeners with extraordinary and free online resources about selecting and growing native plants in every U.S. state.