New life for old trees

by Brendan Keegan, Gardener
April 3, 2020

Plants under quarantine

by Jonathan Damery, Editor of Arnoldia
April 1, 2020

Plants under quarantine

Flowers of the spike winterhazel (Corylopsis spicata, accession 10544*A)

By the beginning of October 1918, the influenza pandemic was racing through Boston. Businesses had been shuttered. Schools had been closed. A local conference for the National Association of Gardeners was postponed. Meanwhile, at the Arnold Arboretum, director Charles Sprague Sargent was finding it increasingly difficult to navigate a quarantine of a different nature—one designed […]

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Visiting the Arboretum safely and responsibly

by Nima Samimi, Arboretum Gardener
March 31, 2020

Spring reboot for autumn’s harbinger

by Michael Dosmann, Keeper of the Living Collections
March 30, 2020

Spring reboot for autumn’s harbinger

schlesinger red maple

Last week, after digging them from our in-ground nurseries, the Arboretum’s horticulture staff planted some 100 balled-n-burlapped trees throughout the collections. A cadre of crabapples (Malus spp.) on Peters Hill, a jumble of Juglans microcarpa (the little walnut from the Great Plains) on Weld Hill, and even a pitch of pines (Pinus spp.) in the […]

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Confronting Climate Change at an Urban Grassland: Preserving and Restoring the Grasslands at Green-Wood

by Joseph Charap, Sara Evans, and Frank S. Rossi
March 24, 2020

Confronting Climate Change at an Urban Grassland: Preserving and Restoring the Grasslands at Green-Wood

View of the Green-Wood Cemetery from above.

According to standard ecoregion mapping of North America, New York City falls squarely within the eastern broadleaf forest—an ecosystem characterized by an overstory of tall, broadleaf trees, like American beech (Fagus grandifolia) and white oak (Quercus alba). The on-the-ground reality, however, is made obvious in the air: a plane flying low into LaGuardia International Airport […]

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Frost flowers

by Christine Ventura, Living Collections Fellow
March 24, 2020

The ultimate early bloomer

by Jon Hetman, Director of External Relations & Communications
March 4, 2020

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 […]

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Peak Spruce

by Jonathan Damery, Editor of Arnoldia
February 28, 2020

Ode to the Junipers

by Jonathan Damery, Editor of Arnoldia
January 31, 2020

Owls of the Arboretum

by Brendan Keegan, Gardener
January 27, 2020