Growing Greener


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.


United States




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.




Fighting Back Against Weed Ordinances

Are your beloved native plants actually “noxious weeds”? Too often town or homeowner association officers say yes and invoke anti-weed ordinances to force gardeners back to old-fashioned lawns and foundation plantings. Listen to attorney and native plants advocate Rosanne Plante tell you how you can fight back, and win.


The Easy Way to Start Your Plants from Seed

Starting plants from seed is economical and opens up a world of species and cultivars you’ll never find in the garden center. Seed starting is also easy and fun if you use the winter-sowing technique that Dolly Foster teaches.


What to Look For in the Garden this Year

Since 1827, the Pennsylvania Horticultural Society has been leading the way in American gardening. Listen this week as its Vice President of Horticulture, Andrew Bunting, describes the trends to look for in 2023, and why sustainability concerns are at the top of the list.


Save the Snakes

Michael Starkey understands that not everyone shares his enthusiasm for snakes, but as founder and Executive Director of Save the Snakes he believes that humans and snakes, even venomous snakes, can coexist. As a wildlife biologist, Michael shares techniques for making your landscape less – or more – attractive to snakes and how education can protect against snake bites and enhance your enjoyment of these amazing creatures


Return of an American Giant

In the early years of the 20th century an introduced fungal blight killed an estimated 4 billion American chestnut trees, effectively eliminating what had been a foundational species of eastern North American woodlands. Scientist Andrew Newhouse of the State University of New York explains how his university is preparing to release a race of American chestnuts genetically engineered to withstand the blight, so that this essential tree may flourish in the forest once again.


Gardening Without Pesticides in Toronto, Canada

Popular gardener and garden blogger Helen Battersby of Toronto, Canada describes the impact of Ontario’s ban of pesticide use for ornamental purposes in this conversation from 2020


Looking to the European Garden Masters

Award-winning garden designer and writer Tony Spencer introduces the New Perennial Movement that has brought a revolutionary naturalistic ethic to gardens worldwide


Synergy on the Brandywine

Combining native plants gardening with land preservation and a museum of extraordinary regionally focused art has made the Brandywine Conservancy a unique celebration of the local landscape. Join Horticultural Coordinator Mark Gormel as he explains how this all begins with locally collected seeds, and how home gardeners can duplicate this in their own back yards.


A Mid Winter Don't Miss Event

One of the most important events of my gardening year is the extraordinary collection of gardeners, designers, and ecologists who assemble to exchange ideas every January at the New Directions in the American Landscape’s two-day annual symposium. Join executive director of NDAL, Sara Weaner, to learn about this year’s line-up of extraordinary speakers and topics. It’s a don’t miss opportunity


Coexisting With Black Bears

One of the great success stories of American wildlife, black bears are returning throughout their historic range and even moving into the suburbs. Confrontations with human inhabitants have fed calls for hunting seasons to curb their numbers. Wildlife ecologist Laura Simon explains why this is unlikely to resolve the problem, and shares proven strategies for reducing black bear problems


An Ancient Farming Practice Benefits the Contemporary Garden

Join Collin Thompson, the Farm Manager at Johnny’s Selected Seeds, as he discusses how planting “cover crops” in your garden can benefit not only the health of the soil and the plants you grow on it but also enhance pollinator populations and curb weeds, all while reducing your carbon footprint and fighting the spread of plant pests and diseases


Transplanting Hedgerows to the American Garden

Hedgerows, informal borders of intermingled shrubs and trees, are a familiar feature of the British countryside, serving not only to enclose farmers’ fields but also providing a refuge for wildlife and a source of foods for humans, birds, and pollinators alike. Dr. Annabel Renwick, the curator of native plants at the Sarah P. Duke Gardens in Durham, North Carolina, describes how she is using southeastern shrubs and trees to translate this environmentally beneficial, beautiful, and useful...


A Convincing Case for Rooftop Farms

Dr. Leigh Whittinghill of the Connecticut Agricultural Experiment Station is extending that storied institution’s research into a new landscape: the rooftops of Connecticut’s city neighborhoods. Enhancing city-dwellers’ diet can also benefit the local environment


Developing Meadow and Sustainable Lawn Solutions Coast to Coast

Mike Lizotte, the “Seedman” of American Meadows and High Country Gardens discusses his companies’ program to provide locally adapted wildflower and native grass seed mixes throughout the United States, and the growing enthusiasm among gardeners nationwide for environmentally beneficial plantings


The Mind of a Bee

In his fascinating new book, “The Mind of a Bee,” Dr. Lars Chittka explores not only bees’ ability to learn and process information, but also the evidence that individual bees possess distinctive personal psychologies. His research transformed my understanding of pollinators and enriched my garden experience.


Garden Help From the Cornell Lab of Ornithology

One of my favorite gardening tools is the Cornell Lab of Ornithology, the #1 resource for gardeners who want to know more about the birds in their landscapes. Join Dr. Emma Greig to explore the apps and online courses the Lab offers to help you identify and foster feathered visitors, and citizen science programs you can support to promote bird conservation.


Toni Gattone and Lifelong Gardening

Senior and physically challenged gardeners have a special interest in sustainable landscapes, according to Toni Gattone, author of The Lifelong Gardener: Garden With Ease and Joy At Any Age. Join her for guidance on everything from saving your back by reducing resource inputs to ergonomically adapting favorite tools.


The Power of Reseeding Native Annuals

Native garden designer and pollinator ecologist Alicia Houk details how incorporating reseeding native annuals makes your garden self-healing, weed-resistant, more colorful, and more wildlife friendly


A Modern-Day Garden Hero

Cathy Ludden epitomizes the role individual gardeners can play in transforming their local landscapes to meet our current environmental challenges. An avid student of native plants and wildlife, she has worked with great success at a personal, neighborhood, and county level to make her community biologically richer, ecologically healthier –and more beautiful.


Spring-Flowering Bulbs: Beautiful and Sustainable

Inheritor of a century-old family tradition of supplying the best spring-flowering bulbs to American gardeners, Brent Heath details the important role that they can play in today’s sustainable gardens. Flourishing without the use of chemicals, these plants furnish reliable early spring color and food for early season pollinators; follow Brent’s growing tips and your bulbs will return year after year as the toughest of perennials.