The Arnold Arboretum of Harvard University is a museum of trees teaching the world about plants.
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Golden Rain Tree 14928-1*B
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Silk Tree 1442-77*B
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Tree Clethra 241-96*A
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Bottlebrush Buckeye 12652*A
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Rosebay Rhododendron 94-82*A
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Golden Rain Tree 14928-1*B -
Silk Tree 1442-77*B -
Tree Clethra 241-96*A -
Bottlebrush Buckeye 12652*A -
Rosebay Rhododendron 94-82*A
Featured Event
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.
What’s New
Learn, Grow, Explore
Summer Program Guide
Discover a free and enriching summer of guided walks, hands-on art, nature exploration, and wellness experiences at the Arnold Arboretum—inviting you to connect with plants in fresh, inspiring ways.
Plants and People
Get To Know a Tree
Arnold Arboretum Director and Arnold Professor of Organismic and Evolutionary Biology William (Ned) Friedman teaches an innovative first-year Harvard seminar titled Tree that invites students to form meaningful, firsthand connections with individual trees to transform their relationship with the natural world. See the course syllabus and development a new friendship in our landscape.
Legacies in the Landscape
Celebrating Hu Xiansu
Hu Xiansu (H. H. Hu), a pioneering botanist who laid the foundation for modern plant taxonomy in China, earned his doctorate at Harvard 100 years ago. His groundbreaking identification of the “living fossil” dawn redwood and leadership in creating China’s botanical institutions cemented his legacy as one of the most influential figures in 20th-century botany.
An Entrance Revitalized
Washington Street Gate Renewal
With completion of donor-funded renovations to the Washington Street entrance nearing, the gate into Bussey Brook Meadow and Blackwell Footpath have reopened to visitors and green transit commuters. Additional landscape work at Washington Street will continue this fall.
Stay Connected
Do you receive our newsletters?
Register today to receive our monthly Arboretum newsletter, Director’s Posts from the Collections, or the monthly Arboretum for Educators newsletter—or all three! Keep in step with what’s happening at the Arnold year round.
Stories
Today’s Virtual Walks
Director’s Tour
A Walk Through Time, Part 2
Keeper’s Tour
Explorers Garden Tour
Plants & Collections
‘Crimson Gem’ Bracted Viburnum
This one-of-a-kind viburnum was collected as a result of the Arboretum’s commitment to plant conservation. Its exceptional single red floret was noted 18 years after planting.
Bigleaf Magnolia
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.
