Landraces – Customizing Vegetable and Fruit Cultivars to Flourish in Your Garden
06/05/2026 | 29 min
In a conversation first shared in February of 2024, farmer and author Joseph Lofthouse describes how to foster "landraces," strains of vegetables and fruits adapted to the unique conditions in your garden.
Are Alien Plants Superior at Supporting Insect Diversity in the Garden?
29/04/2026 | 29 min
James Hitchmough, an eminent British garden designer and former professor of horticultural ecology asserted on a previous episode that research confirms that gardens rich in alien plants support a greater diversity of insects. Today, Matthew Shepherd of the Xerces Society, an organization founded to promote insect and invertebrate conservation shares a different understanding of the science.
The Million Orchid Project Turns Urban Areas into Sanctuaries for Critically Endangered Native Species
22/04/2026 | 29 min
Dr. Jason Downing of Fairchild Tropical Botanic Garden turns rare orchid propagation into an educational adventure for Miami area students, beautifies the cityscape, and rescues native Floridian species from the brink of extinction.
Maine's Wild Seed Project Offers Education and an Example of Nationwide Significance
15/04/2026 | 29 min
In this week's Growing Greener Heather McCargo, founder of the Wild Seed Project, describes its programs to encourage gardeners to grow native plants from wild-collected seeds to preserve genetic diversity in the garden and beyond, and how McCargo has embraced the evolution of her personal garden from meadow to biodiverse woodland.
Chemical Warfare from Invasive Plants
08/04/2026 | 29 min
One of the ways that invasive plants displace indigenous floras is "allelopathy." In a conversation first broadcast in February 2024, Dr. Susan Kalisz of the University of Tennessee Knoxville describes how many introduced plants actually poison the soil so that indigenous species cannot germinate or flourish in their former homes.
Your weekly half-hour program about environmentally informed gardening. Each week we bring you a different expert, a leading voice on gardening in partnership with Nature. Our goal is to make your landscape healthier, more beautiful, more sustainable, and more fun.