A celebration of spring, Lilac Sunday arrives May 13

by Jon Hetman, Director of External Relations & Communications
April 20, 2018

A celebration of spring, Lilac Sunday arrives May 13

2018 winning design by Julie Pritchard

Lilac Sunday celebrates 110 years in Boston with events from 10am–3pm Pack a picnic…it’s Lilac Sunday! For 110 years, families have made the Arnold Arboretum of Harvard University a premier destination to welcome the arrival of the flowering season in Boston. The annual observance of Lilac Sunday—this year celebrated on Sunday, May 13—centers on the […]

Continue reading


Seeing the forest through the trees

by Jon Hetman, Director of External Relations & Communications
April 3, 2018

Arnold Arboretum researchers identify new hemlock species

by Jon Hetman, Director of External Relations & Communications
March 26, 2018

The ultimate early bloomer

by Jon Hetman, Director of External Relations & Communications
March 23, 2018

The ultimate early bloomer

Arnold Promise witch hazel

An interesting byproduct of planting related species side by side is that pollinating insects can become unwitting hybridizers. Such was certainly the case with one of the Arboretum’s most famous introductions, Hamamelis × intermedia ‘Arnold Promise’. A beautiful and vigorous witch hazel, ‘Arnold Promise’ was named to honor the place where it began, a happy […]

Continue reading


Expanding Opportunities for Undergraduate Education

by Jon Hetman, Director of External Relations & Communications
March 19, 2018

Expanding Opportunities for Undergraduate Education

dig-deeper-undergrad-education

As a partner in the educational mission of Harvard University, the Arnold Arboretum leverages its landscape, collections, and learning resources to support undergraduate education. Arboretum-based faculty and researchers, state-of-the-art laboratories, and the living collections provide field experiences for diverse Harvard classes ranging from the biology of plants and urban ecology to landscape design and even […]

Continue reading


Nor’easters exact toll on Arboretum trees

by Jon Hetman, Director of External Relations & Communications
March 15, 2018

Nor’easters exact toll on Arboretum trees

Picea x notha 13406-A

Three consecutive nor’easters in March left their mark on the renowned tree collections at the Arnold Arboretum of Harvard University, with some 30 Arboretum accessions lost or slated for removal due to major damage. The most devastating of the three storms at the Arboretum was the first, Winter Storm Riley, which slammed Boston and much […]

Continue reading


In plant tug-of-war, mom wins

by Jon Hetman, Director of External Relations & Communications
March 15, 2018

The umbrellas of Jamaica Plain

by Jon Hetman, Director of External Relations & Communications
February 12, 2018

The umbrellas of Jamaica Plain

Sciadopitys verticillata 503-70*C

In 1861, Dr. George Rogers Hall of Rhode Island sent the first shipment of living plants from Japan to New England. Consigned to Harvard historian and horticulturist Francis Parkman, the plants were cultivated with great success in his garden in Jamaica Plain. Hall returned from Yokohama a year later, bringing more plants with him. Some […]

Continue reading


Harvard researchers discover a new species of hemlock

by Jon Hetman, Director of External Relations & Communications
February 7, 2018

Harvard researchers discover a new species of hemlock

Ulleungdo hemlock

Peter Del Tredici, Senior Research Scientist Emeritus at the Arboretum, co-authored a study on the discovery of a new hemlock from Korea. The first novel conifer species to be described in a decade, the Ulleungdo hemlock interests biologists and horticulturists due to its natural resistance to the hemlock woolly adelgid.

Continue reading


Expanding the reach of the bionic leaf

by Jon Hetman, Director of External Relations & Communications
February 3, 2018

Expanding the reach of the bionic leaf

Postdoctoral fellow Kelsey Sakimoto

Scientists estimate that food supplies will need to double by 2050 to meet demand. In greenhouse experiments conducted at the Arnold Arboretum, Harvard researchers discovered a way to more than double crop size by introducing a soil bacterium that converts nitrogen from the atmosphere into robust and sustainable fertilizer.

Continue reading