Distinguished horticulturist and author Robert Kourik shares his research on the benefits – and potential liabilities – of garden mulches, with tips on how to use this garden stand-by most effectively.

Dr. Matthew Koski of Clemson University describes his research into the colors of common wildflowers and their response over the last 75 years to changes in the climate and resulting changes to levels of ultraviolet light.  These color changes threaten to affect relationships with pollinators and the flowers' reproductive success.

Distinguished horticulturist Abra Lee shares her research into the stories of her African-American predecessors and how their contributions helped shape the American landscape

Horticulturist and forager Ellen Zachos discusses her book, The Wildcrafted Cocktail, about incorporating the flavors of wild-collected plants into a unique and delicious mixology

Dr. Chantel White of the University of Pennsylvania uses archaeological techniques to identify plants that grew in the garden of pioneering plant collectors John and William Bartram.  Thanks to her work, a long-gone garden is re-emerging into the light.

Panayoti Kelaidis, Senior Curator and Director of Outreach at the Denver Botanic Gardens, discusses his love affair with the rock garden plants of Colorado and how he has traveled the world seeking adapted plants from climatically similar "steppe" regions

Nicholas Geron of Clark University describes his research into the effects of tree cover on urban landscapes, and how economically disadvantaged communities are, due to lack of trees, already experiencing the heat predicted elsewhere for the next generation of global warming.

Dr. Desirée Narango of the University of Massachusetts Amherst describes her research that reveals the essential connection of songbird breeding success with the percentage of native plants in the surrounding landscape.

Dr. Enrique Salmon, a native American of the Raramuri people and professor of ethnic studies at California State University East Bay, discusses his new book, Iwigara about the ethnobotanical traditions and science of American Indians

Laura Hansplant, Director of Design at RoofMeadow describes her firm's pioneering work with "elevated landscapes" and the habitat for wildlife and people it creates on roof tops