Growing Greener

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.

As the first Executive Director of Homegrown National Park, Brandon Hough talks about his unconventional journey to conservation, and how this non-profit makes it easy for homeowners to find plants that give the maximum boost to the local ecosystem while also, at least in Brandon’s case, relieving eco-grief.

Coordinator of the New York Botanical Garden’s Gardening Education Program, Daryl Beyers has developed a fresh approach to teaching the fundamentals of the craft, one that not only provides a strong foundation for novices to go on and build their own skills, but which has proved valuable to experienced practitioners who want to move beyond the old-fashioned, often environmentally harmful practices they may absorbed at the beginning of their careers.

Annuals offer unique advantages for the ecological gardener, growing fast to stabilize disturbed soils, and providing quick color for new plantings. In this conversation, master plantsman Ethan Dropkin of Larry Weaner Landscape Associates shares his pick of the best native annuals native to eastern North America.

In 2015 landscape architect Thomas Rainer and his professional partner Claudia West stirred the gardening world with their best-selling book, “Planting in a Post-Wild World.” Now Rainer shares his arguments for thoughtful optimism regarding gardening and its potential impact on our ecological challenges.

In the 1990’s Lauren Springer helped pioneer a new, regionally focused gardening style in Colorado, an “undaunted garden” that celebrated the Rocky Mountain landscape and the plants, native and introduced, that were at home there. In this conversation, Springer recalls those times and details how her design style has continued to evolve, and what comes next.