The Arnold Arboretum of Harvard University is a museum of trees teaching the world about plants.
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White Oak 1179-85*C
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Winged Sumac 288-97*MASS
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Three-flowered Maple 97-77*A
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Common Winterberry 1424-83*MASS
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Bitternut Hickory 8019*A
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<em>Symplocos chinensis</em> forma <em>pilosa</em> 719-85*A
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Osage Orange 471-36*B
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Cultivar of European Beech 14599*A
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Narrowleaf Spicebush 740-75*E
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Seven Son Flower 425-91*D
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Weeping Persian Ironwood 629-87*A
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White Oak 1179-85*C -
Winged Sumac 288-97*MASS -
Three-flowered Maple 97-77*A -
Common Winterberry 1424-83*MASS -
Bitternut Hickory 8019*A -
<em>Symplocos chinensis</em> forma <em>pilosa</em> 719-85*A -
Osage Orange 471-36*B -
Cultivar of European Beech 14599*A -
Narrowleaf Spicebush 740-75*E -
Seven Son Flower 425-91*D -
Weeping Persian Ironwood 629-87*A
Featured Event
Built to Withstand: How Plants Resist Wind and Weight
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.
What’s New
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.
Fall Programs
View our fall program catalog and register for practical classes, creative workshops, theme tours, wildlife explorations, and wellness programs at the Arboretum.
2025 Research Awards
Our 2025 research awards support diverse and groundbreaking studies across plant and climate science—from pollinator behavior to drought resilience to underground fungal networks. These projects, made possible by the Arboretum’s world-class resources and donor support, highlight the critical role of the Arboretum and our community in advancing scholarship and educating the next generation of scientists.
Professor Benton Taylor Named Fellow of the Ecological Society of America
Benton is an ecosystem ecologist working to understand how terrestrial ecosystems will respond to global change, and what the consequences will be for future carbon cycling. His work spans from tropical rainforests to the arctic tundra, focusing primarily on how plant-microbial partnerships impact ecosystem responses to rising carbon dioxide levels, warming, drought, severe weather, nutrient pollution and human land use.
The Roslindale Gateway Path Project
Improving carbon-free transportation and green space equity in Boston.
Stories
Today’s Virtual Walks
Keeper’s Tour
A Walk Through Time, Part 1
A Walk Through Time, Part 2
Explorers Garden Tour
Plants & Collections
Pecan
This pecan, collected in 1882, arrived from the first large research project undertaken at the Arnold Arboretum—a nationwide survey of trees and forests for the United States census in 1880. The collector was an ornithologist with an acute eye for detail.
Golden Larch
This rare native of East Asia puts on a golden show each fall before losing its needles. This specimen came to the Arnold Arboretum by way of the nearby Hunnewell Estate Pinetum in Wellesley, Massachusetts.
