SYMPOSIA & CONFERENCES
New England Botanic Garden’s symposia and conferences bring together professionals, practitioners, and passionate learners for in-depth explorations of timely topics in horticulture, ecology, plant science, landscape design, and environmental stewardship.
Each event features leading experts, interactive sessions, and collaborative discussions designed to foster innovation, share research, and spark meaningful dialogue. Whether you’re deepening your expertise or entering the field, our programs offer enriching experiences that connect knowledge with practice—and people with purpose.
Please click here for an archive of our CEU (Continuing Education Unit).
Cultivated: New England Apple Tree Symposium
Saturday, November 15, 9 AM–4 PM | On-Site at New England Botanic Garden
$95 NEBG Member | $114 Non-Member | $99 ELA Member | $65 Student
Sunday, November 16, 10 AM–4 PM | Off-Site Massachusetts Cider House Experience
$68 NEBG Member | $82 Non-Member | $65 Student
Explore the world of heirloom apples during a full day of apple-inspired discovery. Enjoy a behind-the-scenes tour of NEBG’s Frank L. Harrington Orchard, learn how to start and maintain your own home orchard, sample rare and flavorful apple varieties, and dive into the art of cider making on Sunday November 16 with an optional off-site cidery tour. Whether you’re a backyard grower, history buff, or cider enthusiast, there’s something to savor and learn.
8:00–9:30 AM
Registration – Enjoy morning tea, coffee and light bites.
9:00–9:20 AM
Welcome and Introductions
9:30–10:20 AM
Keeping the Orchard Healthy: Tales from the Apple ER
Kari Anne Peter, Associate Research Professor, Tree Fruit Pathology, PennState University
Growing apples in the Eastern U.S. can be challenging, as our environmental conditions favor nearly all diseases. This presentation will provide a brief overview of fungal fruit foes that growers may encounter in the orchard, along with useful tips and tricks to help keep an orchard free from woes.
10:30–11:20 AM
Talk and Tasting: An Infinite Variety of Fruit: Historic New England Apples
Christie J. Higginbottom, Garden Research Historian and Consultant
New England’s apple varieties feature rare cultivars and rich history. Sample rare and unusual apple cultivars with guided commentary, and discover surprising flavors you won’t find in the supermarket
11:30 AM–12:20 PM
The Cider of Things: From Seed to Sip
Steve and Anne Garwood, Ragged Hill Cider
From planting to pouring, cider tells the story of the apple’s full journey. In this session, Steve and Anne Garwood of Ragged Hill Cider explore how growing practices, apple varieties, and fermentation choices shape the character of cider. Blending hands-on experience with heritage and innovation, they reveal how each sip reflects the land, the craft, and the people behind it.
Be sure to also sign up for Sunday’s Farm Tour at Ragged Hill Cider!
12:30–1:20 PM
Lunch – Enjoy delicious locally grown meals from the Farmer & the Fork, or bring your own for a mid-day picnic at the Garden.
1:30–2:45 PM
DNA and Reconstructing the Family Tree of American Apples
Todd Little-Siebold, Faculty of History, College of the Atlantic and John Bunker, Orchardist / Pomologist – Fedco Trees (a division of Fedco Seeds)
3:00–3:50 PM
Guided Tour: Frank L. Harrington, Sr. Orchard
Leslie Duthie, NEBG Orchard Volunteer
Join us for an immersive journey through our young heirloom apple orchard, guided by none other than Leslie Duthie – dedicated orchard keeper, passionate horticulture volunteer and the heart and soul of this living collection. Leslie will share her deep knowledge and hands-on experience tending this orchard, offering unique insights into its care and evolution.
Alongside Leslie, you will hear from orchard experts Todd Little-Siebold and John Bunker, who together, bring a rich blend of historical context, apple lore and practical knowledge.
4:00–5:00 PM
Cider & Social
Meet Maine’s “Apple Whisperer,” John Bunker, for apple identification, and visit Skylar Bodeo-Lomicky’s poster on the biochemistry and flavors of heirloom apples. Enjoy cider while exploring rare cultivars and connecting with fellow enthusiasts.
Dr. Kari Anne Peter is a tree fruit pathologist at Penn State University, serving both Pennsylvania and Maryland through the Mid-Atlantic Fruit Consortium. Based at the Fruit Research and Extension Center in Biglerville, PA, she specializes in managing diseases affecting apple and other tree fruits. Her research focuses on integrated disease management, including the development of rapid diagnostic tools for pathogen resistance and strategies to mitigate pre- and post-harvest diseases. Dr. Peter is committed to advancing sustainable orchard practices and enhancing the resilience of fruit crops through applied research and extension education programs.
Christie J. Higginbottom brings decades of expertise in historic horticulture and garden interpretation. Since 1981, she has worked as a costumed interpreter at Old Sturbridge Village, where she coordinated the historic horticulture program from 1984 to 2004. Christie writes and consults extensively on historic gardens, antique plants, and traditional herb use, and she teaches widely at museums, historic sites, garden clubs, historical societies, colleges, and libraries including Bay Path Regional Vocational High School, New England Botanic Garden at Tower Hill, and the Northeast Organic Farmers Association.
Steve Garwood Co-founder and head cidermaker of Ragged Hill Cider in West Brookfield, MA, Steve Garwood helped transform a former orchard into a thriving cidery rooted in local fruit and sustainable practices. With a background in orchard management and cider production, he oversees every step from planting to pouring. Anne Garwood Hampp Anne Garwood Hampp co-owns Ragged Hill Cider with her father, leading its sales, marketing, and public outreach. After a decade in San Francisco’s hospitality scene, she returned home to help grow the family orchard and craft ciders that reflect the land’s character.
Dr. Todd Little-Siebold is a professor of history at the College of the Atlantic in Bar Harbor, Maine. He earned his B.A. and M.A. in anthropology and history from the University of Massachusetts, Amherst and his Ph.D. in Latin American history from Tulane University. In addition to his academic work, Dr. Little-Siebold has been instrumental in the study and preservation of Maine’s heirloom apple varieties. He leads the COA Maine Apple Lab, which combines historical research with genomic profiling to document and conserve rare apple cultivars. This interdisciplinary approach has led to significant discoveries, including the identification of one of North America’s oldest apple trees.
Skylar Bodeo-Lomicky is a Ph.D. candidate at the College of the Atlantic, specializing in the biochemistry of heirloom apples. Her research focuses on understanding how chemical compounds influence the flavor profiles of historic apple cultivars. Through her work, Skylar aims to bridge the gap between scientific analysis and sensory experience, providing insights into the unique tastes of America’s oldest apples. Her studies contribute to the broader field of pomology and offer valuable perspectives on the preservation and appreciation of heirloom fruit varieties.
John Bunker is a renowned orchardist, pomologist, and passionate advocate for the preservation of Maine’s apple heritage. A self-taught expert, he has dedicated over 40 years to locating, identifying, and conserving rare and historic apple varieties across the state. In 1984, he co-founded Fedco Trees, a mail-order nursery specializing in heirloom fruit trees. In 2012, Bunker established the Maine Heritage Orchard in Unity, a 10-acre educational orchard dedicated to preserving over 500 apple and pear varieties from all 16 Maine counties. Known as Maine’s “Apple Whisperer,” his work has been instrumental in cataloging and propagating Maine’s diverse apple cultivars.
Leslie Duthie is a seasoned ecological horticulturist with over 45 years of experience in native plant cultivation, ecological restoration, and environmental stewardship. At New England Botanic Garden, Leslie plays a crucial role as a volunteer, focusing on the restoration and maintenance of the Frank L. Harrington Sr. Orchard. Her dedication to preserving heirloom apple varieties and ensuring the orchard’s health and sustainability underscores her expertise and passion for ecological horticulture. Leslie also shares her knowledge through educational programs, teaching topics such as native ferns, wildflowers, and seed collection techniques, and actively participates in initiatives aimed at promoting ecological landscaping practices.
International Society of Arboriculture (ISA)
- Certified Arborist – 3.5
Massachusetts Nursery and Landscape Association (MNLA)
- Massachusetts Certified Horticulturist (MCH) – 1.0

2026 Art & Science Symposium
Save the Date
Friday, January 23, 2026, 9 AM–4:30 PM
Explore the intersection of creativity and curiosity at the NEBG Art & Science Symposium! Join us this coming January 2026 for thought-provoking talks, panels, and weekend workshops that celebrate where botanical science meets artistic innovation. Registration starts December 1.

2026 Urban Tree Symposium
Save the Date
Friday, February 27, 2026, 9 AM–4:30 PM
New England Botanic Garden’s annual Urban Tree Symposium explores the importance of urban forests and ways we can improve our green spaces. Early bird registration begins in December. Early bird registration starts on November 15 and closes December 31. Check back often for the most up-to-date information regarding speakers and registration.

Seeds to Sustenance: Northeastern Nut Tree Symposium
Rescheduled to March 2026. More information coming soon!
In Partnership with the Place: Site-Specific Native Design, New England-Style
Presented in partnership with New Directions in the American Landscape (NDAL)
Wednesday, September 24, 2025
Explore New England’s native plants and wildlife through expert-led talks and field walks. Learn how to design and care for landscapes that support local ecosystems and wildlife, blending ecology with beautiful garden stewardship.
Plant Geek Day at NEBG
Wednesday, September 10, 2025
Celebrate your inner plant nerd! Join us for Plant Geek Day—a lively, educational, and inspiring gathering for green industry professionals, gardeners, and curious plant lovers of all kinds. Presented in collaboration with the Massachusetts Nursery and Landscape Association (MNLA), this day is packed with hands-on learning, expert lectures, and plenty of plant talk with fellow enthusiasts.
2024 Urban Tree Symposium
Friday, February 7, 2025
New England Botanic Garden at Tower Hill’s annual Urban Tree Symposium is dedicated to exploring the importance of urban forests and ways we can improve our green spaces. The symposium brings together experts in the fields of forestry, horticulture, biology, technology and more. You can expect to hear current and important information that will impact your work in our communities and your own home. This event is co-hosted in partnership with the Ecological Landscape Alliance. CEU’s will be available.
