TIM BOLAND BIO

Tim Boland is the Executive Director of the Polly Hill Arboretum, located on the island of Martha's Vineyard in West Tisbury, Massachusetts. He holds an undergraduate degree in Horticulture and a master's in Botany, Plant Ecology, and Systematics from Michigan State University.

Tim specializes in oaks from all over the world. He is involved in various plant conservation projects to preserve threatened oaks in North America, Europe, and Asia. He is a member of the Board of the International Oak Society (IOS) and chair of the Oak Conservation and Research Committee. He helped develop a special fund that has thus far supported 28 research projects worldwide where oak species are vulnerable to extinction.

In addition, Tim and his conservation partners published a modern flora of Martha’s Vineyard in 2022. He also has expertise in propagating rare North American trees and shrubs. He has been involved in seven seed expeditions, mapping and collecting two species of native North American Stewartia, while also pursuing native azaleas. He is very involved in plant propagation of Martha’s Vineyard endemic plants. Throughout Tim’s career, he has bridged the gap between botany and horticulture and loves teaching aspiring students about the beauty, mystery, and utility of plants. Tim plans to retire this year after twenty-four years leading the development of new infrastructure and programs at the Polly Hill Arboretum. When asked what is next? He jokingly asserts, “I think I’ll get involved with plants!”

To learn more about Tim and the Polly Hill Arboretum, pollyhillarboretum.org.

THE PLANTASTIC PODCAST

The Plantastic Podcast is a monthly podcast created by Dr. Jared Barnes. He's been gardening since he was five years old and now is an award-winning professor of horticulture at Stephen F. Austin State University in Nacogdoches, TX. To say hi and find the show notes, visit theplantasticpodcast.com.

You can learn more about how Dr. Jared cultivates plants, minds, and life at meristemhorticulture.com. He also shares thoughts and cutting-edge plant research each week in his newsletter plant•ed, and you can sign up at meristemhorticulture.com/subscribe. Until next time, #keepgrowing!

Discount link for March 23, 2026 Botanic Bootcamp on the Power of Plant Selection.

SHAUN MCCOSHUM'S BIO

Shaun McCoshum is a certified, Senior Ecologist and Wildlife Biologist with over 20 years of experience restoring habitats, conducting research, and gardening. His work includes published scientific papers, books, and copious restoration plans from coast to coast including lands with bison, endangered plants, threatened pollinators, black bears, and mountain lions. His new book explores the pre-European ecology of North America and how habitats existed and explains how we can better mimic processes in our own yards to support habitat.

Shaun has kindly offered podcast listeners a discount of 30% of his new book! Use the code NHWG30 at the Princeton University Press website.

THE PLANTASTIC PODCAST

The Plantastic Podcast is a monthly podcast created by Dr. Jared Barnes. He's been gardening since he was five years old and now is an award-winning professor of horticulture at Stephen F. Austin State University in Nacogdoches, TX. To say hi and find the show notes, visit theplantasticpodcast.com.

You can learn more about how Dr. Jared cultivates plants, minds, and life at meristemhorticulture.com. He also shares thoughts and cutting-edge plant research each week in his newsletter plant•ed, and you can sign up at meristemhorticulture.com/subscribe. Until next time, #keepgrowing!

Subscribe to my curated weekly newsletter plant•ed: meristemhorticulture.com/subscribe.

DR. ALLAN ARMITAGE'S BIO

Dr. Allan M. Armitage is an Emeritus Professor of Horticulture at the University of Georgia, where he served as a faculty member until his retirement in 2014. Internationally recognized as a writer, speaker, educator, and researcher, he is one of the most influential voices in modern horticulture.

Dr. Armitage has authored more than 70 academic research papers, over 500 industry articles, and 17 books that serve as foundational texts, professional references, and trusted companions for gardeners worldwide. His landmark reference Herbaceous Perennial Plants was named one of the best horticulture books of the past 75 years by the American Horticultural Society and is now in its fourth edition.

His research focused on new crop introduction and evaluation and environmental physiology.He founded and led the highly respected University of Georgia Trial Gardens, a premier testing ground for heat- and humidity-tolerant plants where he released more than 20 plants to the gardening industry, including the iconic Verbena ‘Homestead Purple’ and ‘Margarita’ ornamental sweet potato.

Dr. Armitage has received nearly every major honor in American horticulture, including the Liberty Hyde Bailey Award (American Horticultural Society) – highest lifetime honor and the Scott Medal and Award, another of the most prestigious honors in ornamental horticulture.

Dr. Armitage remains an in-demand lecturer throughout North America, Europe, Australia, New Zealand, and South America, and continues to write, teach, and advocate for practical, joyful gardening.

THE PLANTASTIC PODCAST

The Plantastic Podcast is a monthly podcast created by Dr. Jared Barnes. He's been gardening since he was five years old and now is an award-winning professor of horticulture at Stephen F. Austin State University in Nacogdoches, TX. To say hi and find the show notes, visit theplantasticpodcast.com.

You can learn more about how Dr. Jared cultivates plants, minds, and life at meristemhorticulture.com. He also shares thoughts and cutting-edge plant research each week in his newsletter plant•ed, and you can sign up at meristemhorticulture.com/subscribe. Until next time, #keepgrowing!