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The Arnold Arboretum of Harvard University is a museum of trees teaching the world about plants.

  • Fortune's Rhododendron 1075-89*C
  • Cultivar of Hybrid Dogwood 244-94*B
  • Bracted Viburnum 365-2005*B
  • Umbrella Pine 503-70*C
  • American Yellowwood 13055*B
  • Manchurian Catalpa 642-94*A
  • Heldreich Pine 1276-64*A
  • Cockspur Hawthorn 12079*A
  • Rhododendron fortunei 1075-89-C
    Fortune's Rhododendron 1075-89*C
  • Cornus 'Rutgan' 244-94-B Friedman
    Cultivar of Hybrid Dogwood 244-94*B
  • Viburnum bracteatum 365-2005-B
    Bracted Viburnum 365-2005*B
  • Sciadopitys verticillata 503-70-C
    Umbrella Pine 503-70*C
  • Cladastris kentukea 13055-B Friedman
    American Yellowwood 13055*B
  • Catalpa bungei 642-94-A
    Manchurian Catalpa 642-94*A
  • Pinus heldreichii 1276-64-A
    Heldreich Pine 1276-64*A
  • Crataegus crus-galli 12079-A Friedman
    Cockspur Hawthorn 12079*A

Announcements

Featured Event

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painting edo and the arboretum, a walk in the arboretum: digital photocollages by amy ragus, expeditions : the arboretum’s new mobile app, healthy ponds, planting edo: a field guide, watch with us!, the introduction of paperbark maple to the united states, look again: seeing nature through a different set of eyes, virtual learning,

  • Painting Edo and the Arboretum

    Find community through haiku and explore connections between the Arboretum's landscape and the Harvard Art Museums exhibition Painting Edo: Japanese Art from the Feinberg Collection.

    Pink cherry blossoms against a blue sky
  • A Walk in the Arboretum: Digital Photocollages by Amy Ragus

    A series of digital photocollages explore multiple viewpoints at the Arboretum, on and off the trails.

    Photocollage of flowering trees
  • Expeditions : the Arboretum’s new mobile app

    Explore stories about botany, horticulture, conservation, and Arboretum history through photos, text, and audio segments.

    Expeditions the app of the Arnold Arboretum
  • Healthy Ponds

    Investigate how an artificial pond gets cleaned! Check out our newest Wonder Spot. Bring a journal and your curiosity. #WonderSpots #GetOutside #OutdoorLearning

    Close-up of willows
  • Planting Edo: A Field Guide

    Explore the landscape with a guide that pairs Arboretum plants with paintings from the Harvard Art Museums' exhibition Painting Edo: Japanese Art from the Feinberg Collection.

    Cherry tree photo and painting
  • Watch With Us!

    Learn about plants and wildlife from Arboretum specialists.

    Silk moth
  • The Introduction of Paperbark Maple to the United States

    Read about the Arboretum's introduction and conservation of this rare and remarkable Chinese species on Google Arts & Culture.

    Peeling bark of Acer griseum
  • Look Again: Seeing Nature through a Different Set of Eyes

    Joel Kershner brings sensitivity and a touch of humor to his photographs of the Arnold Arboretum.

    artwork, collage and paint, grass with flowering trees in background
  • Virtual Learning

    30 minutes of nature learning can inspire a lifetime of nature noticing for children and their families.

    child drawn frog

Stories

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Today's Virtual Walks

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Plants & Collections

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Stewartia pseudocamelia illustration
11440*A Map it ↗

Japanese Stewartia

Scientific Name
Stewartia pseudocamellia

This Japanese stewartia—and its nearby sibling—was collected in Korea in 1917. Its taxonomic status has inspired the curiosity of generations of botanists. 

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Fallen flowers of Japanese stewartia
Illustration of Magnolia macrolhylla by Charles Faxon
299-2001*A Map it ↗

Bigleaf Magnolia

Scientific Name
Magnolia macrophylla ssp. macrophylla

Bearing the largest simple leaves and flowers of any temperate species in North America, bigleaf magnolia is a striking native of the Southeastern United States. Its exotic foliage, fragrant flowers, and showy fruit make it a popular specimen tree in gardens and arboreta.

View plant bio
Bigleaf Magnolia
Community

We are researchers, volunteers, professors, educators, artists, gardeners, caretakers, and everyone in between.

  • Community Spotlight Ben Goulet-Scott, PhD Candidate
    Ben Goulet-Scott

    Working in the Arnold Arboretum means I am immersed in a living museum of biodiversity and inspired every day to pursue my research. Because the Arboretum offers such a popular public good to people both near and far, being based here means that I also have an incredible outlet to share my passion for biodiversity.

  • Community Spotlight Chris McArdle, Volunteer Tour Guide
    Chris McArdle leads a tour.

    Every tour brings a surprise, even after 36 years! It might be the sun catching the “Ruby Glow” witch hazel in February or the smell of toasted marshmallows from trodden katsura leaves in the fall. A squirrel running up a visitor’s trouser leg was perhaps the biggest surprise of them all.

  • Community Spotlight Rosetta Elkin, Associate Professor, McGill University
    Roestta Elkin, Harvard GSD Professor Headshot

    Many students have never held a root in their hand, never looked at a flower very carefully, never even thought about tree architecture the study of plant form. We’re opening their eyes.

  • Community Spotlight Ana Maria Caballero, Nature Education Specialist
    Ana Maria Caballero McGuire

    As an Outdoor Educator, I love that I get to translate science and horticulture into hands-on teachable moments for children in our landscape! I also enjoy working with teachers to promote the use of outdoor spaces for meaningful life science education in schools.

  • Community Spotlight Lawrence Mullings, Artist and Volunteer
    Lawrence Mullings

    This Place nourishes the Soul as well as the Body. I returned for my health and rediscovered such beauty openly observed and freely given by all who crossed my path. This Palace of the Senses allowed me to create The Path Taken. Maybe my Exhibit can serve as a remainder of days passed, soon to return.

  • Community Spotlight Rachel Lawlor, Arboretum Gardener
    Rachel Lawlor

    The community spirit at the Arboretum is truly palpable. From my first exposure as an Aggie intern in 2014, to being a full-time Gardener now, this has only grown. The folks who work here truly care about the Arboretum’s mission—and maybe even more so—about their colleagues.

  • Community Spotlight Jim Papargiris, Working Foreperson
    Jim Papargiris

    For the last 41 years, it has been an honor and privilege to contribute to the stewardship of the collections and landscape of the Arnold Arboretum. I feel a sense of gratitude and accomplishment each day and although there have been challenging times from winter storms, drought, and plant pests, to the world we find ourselves in today, the trees have provided me unwavering inspiration and pride.

Student work by Sophie Geller, Dana Kash, Mary Miller