• Lilac Collection Tour

    Lilacs are blooming in the Arboretum throughout the month of May, not only on Lilac Sunday! Join our enthusiastic docents on a 45-minute amble up the hill from the ponds to see the lilacs, enjoy their scents, and hear the stories of the many different lilacs in our collection.

    Get Tickets 18 tickets left

      Birding at the Arboretum

      Have you ever wanted to learn more about the feathered friends you see and hear on a walk through the Arnold Arboretum? If so, please join birders and volunteers TJ and Allison for a leisurely 90-minute bird watching walk.

      in front of the Hunnewell Building

        Lilac Collection Tour

        Lilacs are blooming in the Arboretum throughout the month of May, not only on Lilac Sunday! Join our enthusiastic docents on a 45-minute amble up the hill from the ponds to see the lilacs, enjoy their scents, and hear the stories of the many different lilacs in our collection.

          Lilac Collection Tour

          Lilacs are blooming in the Arboretum throughout the month of May, not only on Lilac Sunday! Join our enthusiastic docents on a 45-minute amble up the hill from the ponds to see the lilacs, enjoy their scents, and hear the stories of the many different lilacs in our collection.

          Get Tickets 23 tickets left

            Lilac Collection Tour

            Lilacs are blooming in the Arboretum throughout the month of May, not only on Lilac Sunday! Join our enthusiastic docents on a 45-minute amble up the hill from the ponds to see the lilacs, enjoy their scents, and hear the stories of the many different lilacs in our collection.

              Trees that Shaped Civilization

              Join docent Paul Eldrenkamp for a visit to four groups of trees that each played a particularly significant role in shaping very different civilizations: Eastern White Pine, Cedar of Lebanon, Western Red Cedar, and the five sacred trees of the Kiso Forest in Japan.

              Flora Way Gate (Formerly Bussey St Gate)

                Lilac Sunday

                Experience the springtime bloom of our renowned lilac collection with Lilac Sunday, offering fun, free explorations for the entire family. The event features ongoing tours of the Arboretum’s lilacs as well as art, family activities, and picnicking on this day only. Visitors may also enjoy a host of self-guided tours, including a lilac tour, via the Arboretum website and its Expeditions app.

                Lilac Collection
                Subject Matter:

                  Lilac Collection Tour

                  Lilacs are blooming in the Arboretum throughout the month of May, not only on Lilac Sunday! Join our enthusiastic docents on a 45-minute amble up the hill from the ponds to see the lilacs, enjoy their scents, and hear the stories of the many different lilacs in our collection.

                    Little Explorers

                    Little Explorers

                    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/activity, and go for a nature walk to continue exploring the theme.

                    Hunnewell Lecture Hall
                    Subject Matter:

                      Lilac Collection Tour

                      Lilacs are blooming in the Arboretum throughout the month of May, not only on Lilac Sunday! Join our enthusiastic docents on a 45-minute amble up the hill from the ponds to see the lilacs, enjoy their scents, and hear the stories of the many different lilacs in our collection.

                        Lilac Collection Tour

                        Lilacs are blooming in the Arboretum throughout the month of May, not only on Lilac Sunday! Join our enthusiastic docents on a 45-minute amble up the hill from the ponds to see the lilacs, enjoy their scents, and hear the stories of the many different lilacs in our collection.

                          Lilac Collection Tour

                          Lilacs are blooming in the Arboretum throughout the month of May, not only on Lilac Sunday! Join our enthusiastic docents on a 45-minute amble up the hill from the ponds to see the lilacs, enjoy their scents, and hear the stories of the many different lilacs in our collection.

                            Lilac Collection Tour

                            Lilacs are blooming in the Arboretum throughout the month of May, not only on Lilac Sunday! Join our enthusiastic docents on a 45-minute amble up the hill from the ponds to see the lilacs, enjoy their scents, and hear the stories of the many different lilacs in our collection.

                              Canceled Lilac Collection Tour

                              Lilacs are blooming in the Arboretum throughout the month of May, not only on Lilac Sunday! Join our enthusiastic docents on a 45-minute amble up the hill from the ponds to see the lilacs, enjoy their scents, and hear the stories of the many different lilacs in our collection.

                              • Canceled

                              Lilac Collection Tour

                              Lilacs are blooming in the Arboretum throughout the month of May, not only on Lilac Sunday! Join our enthusiastic docents on a 45-minute amble up the hill from the ponds to see the lilacs, enjoy their scents, and hear the stories of the many different lilacs in our collection.

                                Lilac Collection Tour

                                Lilacs are blooming in the Arboretum throughout the month of May, not only on Lilac Sunday! Join our enthusiastic docents on a 45-minute amble up the hill from the ponds to see the lilacs, enjoy their scents, and hear the stories of the many different lilacs in our collection.

                                  Birding Walk

                                  Embark on a birdwatching tour in the Arboretum’s landscape with docent and birder Donna Sullivan. This two-hour tour is suitable for adult beginners as well as more experienced birders.

                                  in front of the Hunnewell Building

                                    Explorers Garden Tour

                                    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.

                                    Centre Street Gate

                                      Ask a Horticulturist – Lilacs

                                      Stop by the lilac collection to chat with the Horticulturist who manages the Arboretum’s beautiful lilac shrubs. Horticulturist Conor Guidarelli will be there from 2:00pm to 4:00pm answering questions about caring for lilacs, the Arboretum’s lilac collection, and what it’s like to be a horticulturist here. No registration is required, just stop by!

                                      Lilac Collection

                                        Birding at the Arboretum

                                        Have you ever wanted to learn more about the feathered friends you see and hear on a walk through the Arnold Arboretum? If so, please join birders and volunteers TJ and Allison for a leisurely 90-minute bird watching walk.

                                        in front of the Hunnewell Building

                                          The Cosmic Tree: A Universal Symbol of Life: Flowering Trees

                                          During this tour we will discuss angiosperms, the largest and most diverse group in the plant kingdom. All flowering trees are angiosperms, but not all angiosperms reproduce in the same way, so you may not see blooms and flowers but plenty of leaves. 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 Center Street Gate starting at Jack Dawson’s shagbark hickory (1883) then head up Oak Path to Beech Path ending at Bussey Hill Road after visiting the ash trees of Norse mythology (Yggdrasil.).

                                          Centre Street Gate

                                            Birds Up Close by Lorna Gibson

                                            Have you ever wondered how a duck’s feathers repel water, or how the structure of a bird’s bones enables them to fly? Materials Science professor Lorna Gibson has spent years researching the physics and math of how birds work. Join her for a talk on her new book, Birds Up Close: An Engineer Explores their Hidden Wonders and get a deep dive into the incredible world of birds.

                                            Hunnewell Lecture Hall
                                            Subject Matter:

                                              Conifer Collection Tour

                                              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.

                                              Flora Way Gate (Formerly Bussey St Gate)

                                                “When Trees Testify” by Beronda Montgomery

                                                Join plant biologist and author Beronda Montgomery for a discussion of her new book, “When Trees Testify: Science, Wisdom, History, and America’s Black Botanical Legacy.” Montgomery explores the way that eight trees and shrubs testify to the experience of black Americans, from sycamores that acted as landmarks for those trying to escape slavery, to pecan propagation spearheaded by an enslaved African woman, to the traditional medicinal uses of willow bark in black communities. Montgomery takes us through black American history with trees and shrubs as our guides.

                                                Hunnewell Lecture Hall

                                                  Rescheduled Leventritt: From Design to Living Landscape

                                                  *Rescheduled from May 14 due to rain.* As the Leventritt Shrub and Vine Garden nears its 25th birthday, join the garden’s original architect and our own Keeper of the Living Collections to learn about the garden’s history, its design goals and principles, and how it has evolved in the past two decades. This program will begin with a short talk in the Hunnewell Lecture Hall, then move outdoors for a tour of the garden itself with Michael Dosmann and architect Gary Hilderbrand.

                                                  Hunnewell Lecture Hall
                                                  Get Tickets 32 tickets left
                                                  • Rescheduled

                                                  Arboretum Highlights Tour: Flora Way Loop

                                                  Explore part of the Arboretum’s 281 acre landscape, hear stories of the Arboretum’s history, get an introduction to some of the many woody plant collections, and enjoy what’s in bloom during this 90-minute, docent-led tour. This tour highlights areas near the Flora Way Gate including the Conifer Collection, Hemlock Hill, Rhododendron Dell and Valley Road.

                                                  Flora Way Gate (Formerly Bussey St Gate)

                                                    Ask a Horticulturist – Rhododendrons

                                                    Stop by the rhododendron collection to chat with the Horticulturist who manages the Arboretum’s beautiful rhododendron shrubs. Horticulturist Brendan Keegan will be there from 2:00pm to 4:00pm answering questions about caring for rhododendrons, the Arboretum’s rhododendron collection, and what it’s like to be a horticulturist here. No registration is required, just stop by!

                                                    Rhododendrons
                                                    • Little Explorers

                                                      Little Explorers

                                                      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/activity, and go for a nature walk to continue exploring the theme.

                                                      Hunnewell Lecture Hall
                                                      Subject Matter:

                                                        Arboretum Highlights Tour: Flora Way Loop

                                                        Explore part of the Arboretum’s 281 acre landscape, hear stories of the Arboretum’s history, get an introduction to some of the many woody plant collections, and enjoy what’s in bloom during this 90-minute, docent-led tour. This tour highlights areas near the Flora Way Gate including the Conifer Collection, Hemlock Hill, Rhododendron Dell and Valley Road.

                                                        Flora Way Gate (Formerly Bussey St Gate)

                                                          Rescheduled Peters Hill Tour

                                                          Learn about some of the amazing trees on Peters Hill during this ninety-minute 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 view of the Boston skyline from the second highest point in the city.

                                                          Poplar Gate
                                                          • Rescheduled

                                                          Identifying Common Trees and Shrubs

                                                          Can you identify the trees around you when you’re walking through the streets of Boston or hiking in New England forests? Join experienced horticulturist and plant science teacher Nicole Forsyth for a class on identifying common trees and shrubs in Massachusetts, from elms and honeylocust to lindens and witch-hazels. This class will begin indoors with a presentation in the lecture hall, and then move outside for some identification practice in the landscape.

                                                          Hunnewell Lecture Hall

                                                            Canceled Arboretum Highlights Tour: Flora Way Loop

                                                            Explore part of the Arboretum’s 281 acre landscape, hear stories of the Arboretum’s history, get an introduction to some of the many woody plant collections, and enjoy what’s in bloom during this 90-minute, docent-led tour. This tour highlights areas near the Flora Way Gate including the Conifer Collection, Hemlock Hill, Rhododendron Dell and Valley Road.

                                                            Flora Way Gate (Formerly Bussey St Gate)
                                                            • Canceled

                                                            Birding Walk

                                                            Embark on a birdwatching tour in the Arboretum’s landscape with docent and birder Donna Sullivan. This two-hour tour is suitable for adult beginners as well as more experienced birders.

                                                            in front of the Hunnewell Building

                                                              Charles Sprague Sargent and the American Landscape

                                                              Many are aware of Charles Sprague Sargent’s role as first director of the Arnold Arboretum, establishing it as the world-renowned institution it is today. Far fewer are familiar with how his close relationships and prolific correspondence with figures of national and international prominence in the developing fields of botany, horticulture, forestry, and wilderness preservation or his leadership of seminal public sector projects such as his path-breaking survey of United States forests for the 1880 US Census shaped the American landscape far beyond the Arboretum’s walls. Docent Paul Eldrenkamp will lead a tour that explores the far-reaching influence — then and now– of the Arboretum’s first director.

                                                              Flora Way Gate (Formerly Bussey St Gate)

                                                                Birding at the Arboretum

                                                                Have you ever wanted to learn more about the feathered friends you see and hear on a walk through the Arnold Arboretum? If so, please join birders and volunteers TJ and Allison for a leisurely 90-minute bird watching walk.

                                                                in front of the Hunnewell Building

                                                                  Mountain Laurels Up Close

                                                                  Mountain laurels are as fascinating as the are beautiful, with stamens that catapult pollen onto their pollinators and wood that is so easy to carve that it was nicknamed “spoonwood.” Join Horticulturist Brendan Keegan for a walk to learn about the botany, ecology, and cultural significance of these beautiful flowers at peak bloom.

                                                                  Flora Way Gate (Formerly Bussey St Gate)
                                                                    Little Explorers

                                                                    Little Explorers

                                                                    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/activity, and go for a nature walk to continue exploring the theme.

                                                                    Hunnewell Lecture Hall
                                                                    Subject Matter:

                                                                      Arboretum Highlights Tour: Flora Way Loop

                                                                      Explore part of the Arboretum’s 281 acre landscape, hear stories of the Arboretum’s history, get an introduction to some of the many woody plant collections, and enjoy what’s in bloom during this 90-minute, docent-led tour. This tour highlights areas near the Flora Way Gate including the Conifer Collection, Hemlock Hill, Rhododendron Dell and Valley Road.

                                                                      Flora Way Gate (Formerly Bussey St Gate)

                                                                        Olmsted and the Arnold Arboretum

                                                                        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.

                                                                        Flora Way Gate (Formerly Bussey St Gate)

                                                                          Rescheduled Poisonous Plants

                                                                          *Rescheduled from May 30 due to weather.* Hidden among the beautiful flowers and innocent-looking shrubs of the Arboretum are some of the world’s most sinister poisons. White snakeroot, yew and even the beloved rhododendron are all filled to the brim with toxins that have both enticed and tormented people for generations. Join Manager of Adult Programming and Events Sarah Nechamen for a walk to learn about these poisonous plants, the chemicals they contain, and the strange histories they carry with them.

                                                                          Flora Way Gate (Formerly Bussey St Gate)
                                                                          Get Tickets 2 tickets left
                                                                          • Rescheduled

                                                                          The Cosmic Tree: A Universal Symbol of Life: Flowering Trees

                                                                          During this tour we will discuss angiosperms, the largest and most diverse group in the plant kingdom. All flowering trees are angiosperms, but not all angiosperms reproduce in the same way, so you may not see blooms and flowers but plenty of leaves. 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 Center Street Gate starting at Jack Dawson’s shagbark hickory (1883) then head up Oak Path to Beech Path ending at Bussey Hill Road after visiting the ash trees of Norse mythology (Yggdrasil.).

                                                                          Centre Street Gate

                                                                            Hydrangea Happiness by C.L. Fornari

                                                                            As the Arboretum’s hydrangea collection begins to bloom in shades of blue, white, pink, and purple, stop in the Hunnewell Lecture Hall for a book talk on ‘Hydrangea Happiness: Planting, Pruning, and Blooming.’ This beautifully illustrated guide by author C.L. Fornari is a boon for beginner gardeners and experienced horticulturists alike. Learn about the most popular hydrangea varieties, how to manage planting and ongoing maintenance, and surprising myths and misinformation about these beautiful shrubs.

                                                                            Hunnewell Lecture Hall
                                                                            Subject Matter:

                                                                              Arboretum Highlights Tour: Flora Way Loop

                                                                              Explore part of the Arboretum’s 281 acre landscape, hear stories of the Arboretum’s history, get an introduction to some of the many woody plant collections, and enjoy what’s in bloom during this 90-minute, docent-led tour. This tour highlights areas near the Flora Way Gate including the Conifer Collection, Hemlock Hill, Rhododendron Dell and Valley Road.

                                                                              Flora Way Gate (Formerly Bussey St Gate)