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

  • Cultivar of Sweetshrub 53-2001*A
  • Chinese Catalpa 98-61*B
  • Chinese Fringetree 427-87*A
  • American Yellowwood 13055*B
  • Common Smoketree 1465-80*A
  • Cockspur Hawthorn 573-62*A
  • Bigleaf Magnolia 961-89*B
  • Elepidote Rhododendron 133-63*A
  • Fortune's Rhododendron 1075-89*C
  • Giant Sequoia 1320-72*A
  • Cultivar of Bracted Viburnum 365-2005*B
  • Cultivar of Sweetshrub 53-2001*A
  • Catalpa ovata 98-61-B by Ned Friedman
    Chinese Catalpa 98-61*B
  • Chionanthus retusus 427-87-A by Ned Friedman
    Chinese Fringetree 427-87*A
  • Cladastris kentukea 13055-B by Ned Friedman
    American Yellowwood 13055*B
  • Cotinus coggygria 1465-80-A by Ned Friedman
    Common Smoketree 1465-80*A
  • Crataegus crus-galli 12079-A by Ned Friedman
    Cockspur Hawthorn 573-62*A
  • Magnolia macrophylla ssp. macrophylla 961-89-B by Ned Friedman
    Bigleaf Magnolia 961-89*B
  • Magnolia macrophylla ssp. macrophylla 961-89-B by Ned Friedman
    Elepidote Rhododendron 133-63*A
  • Rhododendron fortunei 1075-89-C
    Fortune's Rhododendron 1075-89*C
  • Sequoiadendron giganteum 1320-72-A by Ned Friedman
    Giant Sequoia 1320-72*A
  • Viburnum bracteatum 365-2005-B by Ned Friedman
    Cultivar of Bracted Viburnum 365-2005*B

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What’s New

Stories

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Today’s Virtual Walks

Keeper’s Tour

Keeper’s Tour

Take a virtual walk with Michael Dosmann, the Keeper of the Arboretum’s living collections. Take this tour online or use the page for self-guided exploration while visiting the Arboretum in person.
90 mins Medium 1.5 miles
Explorers Garden Tour

Explorers Garden Tour

This quarter-mile tour through the Explorers Garden features stories from the Arboretum’s century and a half of collecting plants around the world. If you’re at the Arboretum, click here to take a version of this tour with Expeditions, our mobile web app.
45 mins Easy .25 miles
A Walk Through Time, Part 1

A Walk Through Time, Part 1

Walk with Landscape Architect Rosetta S. Elkin and Arboretum Archivist Lisa E. Pearson.
20 mins An easy walk with several hills, accessible for mobility impaired visitors .25 miles
A Walk Through Time, Part 2

A Walk Through Time, Part 2

Walk with Landscape Architect Rosetta S. Elkin and Arboretum Archivist Lisa E. Pearson.
30 mins An easy walk with a hill, accessible for mobility impaired visitors. .25 miles

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Plants & Collections

‘Merrill’ Loebner Magnolia

Scientific Name
Magnolia x loebneri 'Merrill'

'Merrill' is an outstanding early white flowering cultivar. It is reliable bloomer and was hybridized at the Arnold Arboretum in 1939.

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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