• 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
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      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
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      • Rescheduled
    • Make Your Own Cyanotypes: A Drop-In Program

      Stop by the Hunnewell Lawn while supplies last to create beautiful nature-based cyanotype prints. Participants will arrange flowers, leaves, and seeds and expose them in sunlight to create a deep blue print with bright, ghost-white silhouettes.

      Hunnewell Lawn
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      • All-Ages Insect Safari

        Join us for an interactive look at all the tiny critters that crawl, fly, or slither through the Arboretum landscape. We will have sweep nets and bug boxes to catch bugs in Kent Field, digital microscopes to get a closer look, and entomologists to help us identify everything we find. This is an all-ages, interactive program: come prepared to move around and get up close with some bugs and insects!

        Conifer Collection

          Rescheduled Plant-Based Fabric Dyeing: A Drop-In Event

          *Rescheduled to August 30 due to rain* Many of the plants grown at the Arboretum have been used as natural dyes for centuries: goldenrod for yellow, stinging nettle for green, madder or bloodroot for pink. Join fiber artist Maggie Ruth Haaland on the Hunnewell Lawn to learn about some of these natural dyeing methods and get a chance to try some of your own.

          Hunnewell Lawn
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          • Rescheduled
        • Afterglow at the Arnold 

          Join the Arnold Arboretum for our inaugural event, Afterglow! An evening of discovery under the stars with food, drinks, and learning opportunities. This event is designed to celebrate the Arboretum’s work: a free and open public park in the City of Boston, an academic “museum of trees,” a conservation and research institution, and a place of outdoor education for all people. The event will be hosted in the Arnold Arboretum’s Explorers Garden, where we care for plants from around the world, exemplifying our global collaboration and conservation work. Guests will engage with Arboretum experts while enjoying cocktails and passed food in the living collections, followed by music and dancing under a tent. 

          Explorers Garden
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          • The Art of the Woodturner

            Woodturning is the art or process of fashioning wood into various forms and shapes by means of a lathe. Returning to the Arnold Arboretum for the 11th year, The Art of the Woodturner will again offer visitors the chance to see an amazing variety of woodturned pieces: large and small, functional and sculptural.

            Hunnewell Lecture Hall
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              The Art of the Woodturner

              Woodturning is the art or process of fashioning wood into various forms and shapes by means of a lathe. Returning to the Arnold Arboretum for the 11th year, The Art of the Woodturner will again offer visitors the chance to see an amazing variety of woodturned pieces: large and small, functional and sculptural.

              Hunnewell Lecture Hall
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                Exhibit Opening for Living Connections: The Arnold Arboretum and Korea

                For more than a century, the Arnold Arboretum has been connected to Korea through plants and scientific exchange. The new Living Connections exhibit brings together rare archival images, living collections, and contemporary partnerships to explore Korea’s botanical heritage and the evolving relationship between the Arboretum and Korean institutions. Living Connections traces a story from early plant exploration to modern collaboration, showing how historic collections continue to support research, conservation, and cultural understanding today.

                Hunnewell Visitor Center
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                  Wicked Plants: A Botanical Halloween

                  On the afternoon of Halloween, stop by the Hunnewell Lawn to learn about the most sinister plants in the Arboretum’s collections. Armed with spiky thorns, sticky latex, and chemical warfare, these plant species defend themselves from hungry herbivores, other plants—and sometimes from humans who wander too close. Others try to poison their neighbors, practice explosive seed dispersal, or even glow under black light. Drop by for this family friendly event and experience Halloween, Arboretum-style.

                  Hunnewell Lawn