Exhibits
Guided Tours
Plan Your Visit
The maple collection in October is a rainbow of beautiful fall colors, and this diversity of color comes from the large diversity of species in this collection. Join Horticulturist Rachel Lawlor for a tour of this colorful collection and learn what makes a maple a maple, discover how to identify different species, and see some of the Arboretum’s most unique maple trees.
Join us at the Arboretum as we read and discover new things about the natural world. During this one-hour program for our youngest guests and their grownups, we will read a nature inspired story, do a craft, and go for a nature walk to continue exploring the theme. The weekly themes are inspired by what is happening seasonally at the Arboretum.
Most of us can point out an oak or a maple by their unique leaf shapes, but what about telling a black oak from a red oak, or a Norway maple from a sugar maple? Join herbalist Alex Klein for a class on identifying oak and maple species using leaf shape, bark, form, and other key identification features. The class will focus on species common to Massachusetts streets and forests, so that you will be prepared to identify the trees around you on your next walk in the woods or around town.
This October, Arnold Arboretum is inviting our valued members back into the landscape for our second Sip in the Scenery event! Members are welcome to enjoy our public event, The Art of the Woodturner in the Hunnewell Lecture Hall before or after joining us for an afternoon in the landscape. Enjoy lawn games, educational content tables on horticulture and Arboretum history, camaraderie, a food truck, a cash bar, and more, all set in the verdant beauty of our magnolia bowl (located just outside of the Hunnewell Visitor Center)!
Join docent Paul Eldrenkamp for a visit to five groups of trees that each played a particularly significant role in shaping five very different civilizations: Eastern White Pine, Cedar of Lebanon, Western Red Cedar, Oaks, and the five sacred trees of the Kiso Forest in Japan.
*Rescheduled from October 5 due to construction.* Many of us assume that growing plants from seed is as simple as opening a seed packet and sticking them in the dirt, but many of the trees and shrubs in the Arboretum’s collections require a complicated process of stratification, maceration, and dormancy breaking before they will sprout. Join Arboretum Propagator Sarah Shank for a workshop on growing these plants from seed and get a chance to try your own hand at germinating seed from Arboretum trees and shrubs.
Join us at the Arboretum as we read and discover new things about the natural world. During this one-hour program for our youngest guests and their grownups, we will read a nature inspired story, do a craft, and go for a nature walk to continue exploring the theme. The weekly themes are inspired by what is happening seasonally at the Arboretum.
*Cancelled* Join Head Arborist John Del Rosso for a class on chainsaw safety and maintenance. Designed for professionals and gardeners with some chainsaw experience, you will learn how to best maintain your chainsaw, make effective felling cuts and tension cuts, use proper PPE, and develop safe work habits.
Docent Katrina Scott will lead this interactive tour with stops for moments to reflect on specific trees and the stories associated with them. Were they revered or feared? A home for deities or tricksters? We will begin at the Walter Street Gate to visit the oldest ginkgoes at the Arboretum, then head up the Conifer Path and diverge to walk, rest, and reflect among various conifers, eventually ending by the yews near Bussey Brook and Hemlock Hill Road.
Hundreds of mushrooms hide beneath the Arboretum’s canopies, silently blossoming into unique forms then withering away again just as quickly. Join local mushroom enthusiast Maria Pinto to search for these fascinating organisms on the Arboretum grounds, both edible and poisonous alike. Along the way you will learn what mushrooms to look for in different habitats and seasons, how they move through ecosystems, and what the Arboretum’s unique collections affect what mushrooms you might find here.
Long before this landscape had ever dreamed of becoming an Arboretum, a white oak grew quietly on the slopes of Peters Hill. Years passed and Arboretum staff eventually incorporated this very old tree into our official collections, making it possibly the oldest accessioned tree in the landscape. Join Assistant Curator Miles Sax for a Tree Mob to learn about this oak, what the landscape looked like before it was an Arboretum, the science of tree age, and how the Arboretum manages those trees that we never chose to plant but which are a treasured part of our collections nonetheless.
How do trees, bamboo, marsh grass stems and cattail leaves stand so tall? Join Materials Science Professor Lorna Gibson for a fascinating talk exploring how the internal structure of plants gives them remarkable strength and stability—allowing them to withstand howling winds and even support their own massive weight.
Join us at the Arboretum as we read and discover new things about the natural world. During this one-hour program for our youngest guests and their grownups, we will read a nature inspired story, do a craft, and go for a nature walk to continue exploring the theme. The weekly themes are inspired by what is happening seasonally at the Arboretum.
The conifer collection at the Arnold Arboretum is a magical place to visit at any time of the year, as it is especially rich in history and diversity. Docent Cristina Squeff will lead participants through this collection explaining key identification features and sharing relevant stories about individual trees.
The forest is a constantly changing landscape where tree species dominate and then fade away, to be replaced by other species in the ongoing process of succession. Join Horticulturist Brendan Keegan to see these dynamics at play on Hemlock Hill: learn about forest species structures, succession dynamics, and how the topography of the earth itself affects the species living there.
Join us to celebrate the life, groundbreaking scientific work, and legacy of Hu Xiansu (Hu Hsen-Hsu) on the 100th anniversary of his doctoral degree from Harvard. This online event will feature Arnold Arboretum Director William (Ned) Friedman, Chief Scientist at the China National Botanical Garden (North Garden) Jinshuang Ma, Professor of Sociology at Beijing Normal University Hu Xiaojiang (granddaughter of Hu Xiansu), and other speakers discussing Hu’s life and influence.
Part of the mission of the Arnold Arboretum is stewardship of the earth’s botanical diversity and its essential value to humankind. This one hour tour through the landscape, led by docent Vicki Amalfitano, will highlight important Arboretum historical conservation efforts that have preserved distinct native and exotic species, and current efforts in our living collections to mitigate habitat disruption and climate impact. Learn about plant expeditions to preserve species in the face of climate change and new pathogens, research initiatives, as well as the Arboretum’s green initiatives and local collaborations to improve our urban canopy.
*This program has been cancelled* What is there to see at the Arboretum after all of the leaves have fallen and before spring flowers start to bloom? Bark! Shaggy bark, mottled bark, striped bark: the Arboretum has it all. Join Horticulturist Rachel Lawlor to see some beautiful bark highlights, learn how to identify some trees by their bark, and learn why that bark looks the way it does.
Take a brisk walk this winter and stay healthy and connected to the Arboretum at a time when the landscape is pared down to its beautiful bones. This 90-minute walk is similar to a guided tour, but with a slightly faster pace and fewer stops, to keep your feet warm and your blood pumping!
Hardwood cuttings are one of the many techniques the Arboretum uses to propagate its plants: propagators take cuttings from the mature stems of woody plants, carefully trim and coat the ends in rooting hormone, then plant them in specially designed growing media. Join Arboretum Propagator Sarah Shank for a hands-on workshop to learn this specialized form of propagation: the class will begin with a presentation on the biology of hardwood cuttings, then head outside to collect our own cuttings from nearby woody plants, and finally return inside to prepare and root the cuttings in growing media. Participants will bring home a small tray of cuttings to grow into their own small trees and shrubs.
Frederick Law Olmsted, considered the father of landscape architecture, designed some 500 public spaces in North America. The Arnold Arboretum is the only arboretum he designed, a National Historic Landmark, and a model for others around the world. Docent Bill Beizer, will identify the elements of the Arboretum that best reflect Olmsted’s philosophy and approach to landscape design.
Docent Katrina Scott will lead this interactive tour with stops for moments to reflect on specific trees and the stories associated with them. Were they revered or feared? A home for deities or tricksters? We will begin at the Walter Street Gate to visit the oldest ginkgoes at the Arboretum, then head up the Conifer Path and diverge to walk, rest, and reflect among various conifers, eventually ending by the yews near Bussey Brook and Hemlock Hill Road.
Get a new perspective on some of the amazing trees on Peters Hill during this one-hour seasonal tour. In winter, leaves and blossoms fall away, exposing hidden features like bark, thorns, and roots. During this one-hour tour led by docent Paul Eldrenkamp, you’ll get a chance to explore a few of the interesting collections in the landscape, learn about the history of this part of the Arboretum, and get a winter time view of the Boston skyline from the second highest point in the city.
Take a brisk walk this winter and stay healthy and connected to the Arboretum at a time when the landscape is pared down to its beautiful bones. This 90-minute walk is similar to a guided tour, but with a slightly faster pace and fewer stops, to keep your feet warm and your blood pumping!
What is there to see at the Arboretum after all of the leaves have fallen and before spring flowers start to bloom? Bark! Shaggy bark, mottled bark, striped bark: the Arboretum has it all. Join Horticulturist Rachel Lawlor to see some beautiful bark highlights, learn how to identify some trees by their bark, and learn why that bark looks the way it does.
Join Nicole Forsyth, horticulturist and plant science educator, for a primer on all things botany: different plant parts and what they do, the movement of water and nutrients around the plant, gas exchange, plant reproduction and more. No prior botany knowledge needed! Whether you’re looking for a botany refresher or learning plant form and function for the first time, this class will give you the basics you need to know.
Get a new perspective on some of the amazing trees on Peters Hill during this one-hour seasonal tour. In winter, leaves and blossoms fall away, exposing hidden features like bark, thorns, and roots. During this one-hour tour led by docent Paul Eldrenkamp, you’ll get a chance to explore a few of the interesting collections in the landscape, learn about the history of this part of the Arboretum, and get a winter time view of the Boston skyline from the second highest point in the city.
Join us for a talk by popular Mushroom Hunt instructor Maria Pinto on her new book, Fearless, Sleepless, Deathless: What Fungi Taught Me about Nourishment, Poison, Ecology, Hidden Histories, Zombies, and Black Survival. Maria weaves together memoir, mycology, and cultural history to illuminate the deep and surprising ways fungi connect with human life. With vivid storytelling and a fiercely original voice, she explores fungi not just as biological wonders but as tools of survival, subversion, and spiritual sustenance—especially for those living at the margins.
Take a brisk walk this winter and stay healthy and connected to the Arboretum at a time when the landscape is pared down to its beautiful bones. This 90-minute walk is similar to a guided tour, but with a slightly faster pace and fewer stops, to keep your feet warm and your blood pumping!
Docent Katrina Scott will lead this interactive tour with stops for moments to reflect on specific trees and the stories associated with them. Were they revered or feared? A home for deities or tricksters? We will begin at the Walter Street Gate to visit the oldest ginkgoes at the Arboretum, then head up the Conifer Path and diverge to walk, rest, and reflect among various conifers, eventually ending by the yews near Bussey Brook and Hemlock Hill Road.
*Rescheduled from January 24.* How do you tell the difference between a fir and a spruce? What about a pitch pine and an Eastern white pine? Join herbalist Alex Klein for a tree identification class focused entirely on conifers, so that you can start ID’ing these fascinating trees in Massachusetts streets and forests.
Winter can feel like one of the hardest times to identify trees, with most of their characteristic leaves and flowers gone for the season. But with help from experienced horticulturist and plant science teacher Nicole Forsyth, you can start identifying common winter trees from the woods and streets of Massachusetts based only on their bark, buds, twigs, and persistent fruit. This class will begin indoors with a presentation in the lecture hall, and then move outside for some identification practice in the landscape.
*Rescheduled from January 31 due to heavy snow.* The Arboretum landscape doesn’t go to sleep in the winter: in fact winter is the best time to see the bright stems of red twig twig dogwood, the glossy leaves of fragrant daphne, and the feathery needles of plum yew. Join Director of Horticulture and Landscape Rodney Eason for a walk to explore the shrubs with winter interest in the landscape. Learn about a variety of shrubs in the Arboretum’s collections, how to maintain these shrubs in your own yard, and what to expect from them in various seasons throughout the year.
Paying close attention to the plants around us can ease stress and create moments of joy and wonder, whether we’re walking through the woods, down the street, or just getting up close with our own houseplants. Let’s Botanize: 101 Ways to Connect with Plants is full of prompts and beautiful macrophotography that encourage readers to get outside and observe plants in close detail. Join authors Ben Goulet-Scott and Jacob Suissa, both former Arboretum researchers, for a book launch consisting of a talk, book signings, and an optional walk in the landscape to try some of these prompts out for ourselves.
Get a new perspective on some of the amazing trees on Peters Hill during this one-hour seasonal tour. In winter, leaves and blossoms fall away, exposing hidden features like bark, thorns, and roots. During this one-hour tour led by docent Paul Eldrenkamp, you’ll get a chance to explore a few of the interesting collections in the landscape, learn about the history of this part of the Arboretum, and get a winter time view of the Boston skyline from the second highest point in the city.
Take a brisk walk this winter and stay healthy and connected to the Arboretum at a time when the landscape is pared down to its beautiful bones. This 90-minute walk is similar to a guided tour, but with a slightly faster pace and fewer stops, to keep your feet warm and your blood pumping!
Did you know flowers can be found at the Arboretum even in the depths of winter? Witch-hazels bloom in vibrant oranges, reds, and yellows across the landscape, giving a beautiful pop of color amidst the winter greys and whites. Join us on a tour of this collection and be ready to step off the path to admire the native witch-hazels, as well as those from China and Japan.
Did you know flowers can be found at the Arboretum even in the depths of winter? Witch-hazels bloom in vibrant oranges, reds, and yellows across the landscape, giving a beautiful pop of color amidst the winter greys and whites. Join us on a tour of this collection and be ready to step off the path to admire the native witch-hazels, as well as those from China and Japan.
As temperatures begin to climb back up for the spring season, many of us are thinking about our yards and gardens. Do we want to plant something new? What kind of tree or shrub might work well in our space? Join Assistant Curator Miles Sax for a class on plant selection and learn how to choose the right trees and shrubs for specific spaces, microclimates, aesthetic desires, and management goals. This will be an indoor class in the Hunnewell Lecture Hall.
In winter, when all the leaves have fallen, the stark and beautiful forms of the bare trees suddenly come into focus. It becomes clear that not all tree forms are alike: some trees are cone-shaped, some round, some have steep branch angles, others have branches that stick straight out from the trunk. Join Director of Horticulture and Landscape Rodney Eason for a walk to explore tree architecture at the Arboretum and learn how to use tree form to help identify trees in the winter, and how the different forms help or harm the trees throughout their lives.
Did you know flowers can be found at the Arboretum even in the depths of winter? Witch-hazels bloom in vibrant oranges, reds, and yellows across the landscape, giving a beautiful pop of color amidst the winter greys and whites. Join us on a tour of this collection and be ready to step off the path to admire the native witch-hazels, as well as those from China and Japan.
Hundreds of mushrooms hide beneath the Arboretum’s canopies, silently blossoming into unique forms then withering away again just as quickly. Join local mushroom enthusiast Maria Pinto to search for these fascinating organisms on the Arboretum grounds, both edible and poisonous alike. Along the way you will learn what mushrooms to look for in different habitats and seasons, how they move through ecosystems, and what the Arboretum’s unique collections affect what mushrooms you might find here.
The devastating wildfires in California over the past several years have left the landscape starkly and in many cases permanently changed. Billie Mandle, Photography professor at Massachusetts College of Art and Design, and Karen Haas, Curator of Photography at the MFA, come together to talk about Billie’s new photography book ‘Asunder,’ made up of stark and haunting photos of the aftermath of the 2020 Glass Fire in Northern California. They will be joined by Director of the Harvard Forest Jonathan Thompson who will share his research on how the wildfires have changed the very makeup of California forests, from mature trees to landscapes dominated by chaparral.
The pussy willows on Meadow Road are blooming, with brilliant red and yellow flowers emerging from the classic fuzzy buds. Join Manager of Horticulture Rachel Brinkman for a Tree Mob celebrating this unique plant.
The Arboretum’s Forsythia collection is not only a beautiful display of yellow every spring, but it is also one of the most significant of its kind on the planet. Such is its importance that it is one of the eight Nationally Accredited Collections at the Arnold Arboretum. Some of these accessions were collected from the wild in Asia (including North Korea) while others are cultivars introduced by Arboretum scientists and others to improve the ornamental merits of the genus. Join Keeper of the Living Collections Michael Dosmann on a stroll to learn more about Forsythia and some the storied plants that grow here.
The Explorers Garden rests in a microclimate just below the summit of Bussey Hill. This nearly five-acre site provides ideal growing conditions for many species that have been challenging to grow in less protected areas of the Arboretum. As such, it has proven to be a perfect testing ground for plants collected in the expeditions of E. H. Wilson in the early 1900s to the NACPEC (North America-China Plant Exploration Consortium) expeditions of our own time. Join docent Marie Herbert for a guided tour to learn more about some of the plants showcased in this special collection and to hear stories of the plant exploration expeditions that brought them to the Arboretum.
Come celebrate Japanese culture amongst the Arboretum’s beautiful cherry blossoms with taiko drumming, traditional Japanese dance, Japanese games and calligraphy, family activities, and the inside scoop on the Arboretum’s own cherry collection.
The cherry trees are blooming at the Arboretum! Join Horticulturist Rachel Lawlor to learn about cherry trees’ history and cultural ties, the cultivars the Arboretum has introduced, how to identify cherry species and how to care for them in your own yard.
Stop by the Hunnewell lawn to experience the sounds of the Arboretum in a new way. Work with a birder to learn how to identify birds from their unique calls, listen to the sounds of a tree or soil amplified through specially designed microphones, participate in a “listening launchpad” activity to find sounds around the Arboretum landscape, engage in conversation prompts about the sounds of the landscape, and enjoy a guided soundscape meditation.
Frederick Law Olmsted, considered the father of landscape architecture, designed some 500 public spaces in North America. The Arnold Arboretum is the only arboretum he designed, a National Historic Landmark, and a model for others around the world. Docent Bill Beizer, will identify the elements of the Arboretum that best reflect Olmsted’s philosophy and approach to landscape design.