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  • Mutants in our Midst

    Arnoldia, Evolution, Horticulture
    Mutants in our Midst
  • Rediscovering Rhododendron Dell, Part 2

    Arnoldia, Curation
    Rediscovering Rhododendron Dell, Part 2
  • Agave palmeri at Fort Huachuca

    Library and Archives
  • Rediscovering Rhododendron Dell, Part 1

    Arnoldia, Curation
    Rediscovering Rhododendron Dell, Part 1
  • The Quest for the Hardy Southern Live Oak

    Arnoldia, Plant Exploration
    The Quest for the Hardy Southern Live Oak
  • Japanese Flowering Cherries —A 100-Year-Long Love Affair

    Arnoldia, History, Horticulture
    Japanese Flowering Cherries —A 100-Year-Long Love Affair
  • Maclura pomifera: Neither Apple Nor Orange

    Arnoldia, Plant Profiles
    Maclura pomifera: Neither Apple Nor Orange
  • Land Bridge Travelers of the Tertiary: The Eastern Asian–Eastern North American Floristic Disjunction

    Arnoldia, Evolution, History
    Land Bridge Travelers of the Tertiary: The Eastern Asian–Eastern North American Floristic Disjunction
  • A Quarter-Century Perspective on the Center for Plant Conservation Collections at the Arnold Arboretum

    Arnoldia, Conservation
    A Quarter-Century Perspective on the Center for Plant Conservation Collections at the Arnold Arboretum
  • Can Taxodium Be Improved?

    Arnoldia, Horticulture
    Can Taxodium Be Improved?
  • The Ecology of an Urban Wild

    Ecology, Silva
    The Ecology of an Urban Wild
  • A Venerable Hybrid Oak: Quercus × sargentii

    Arnoldia, Plant Profiles
    A Venerable Hybrid Oak: Quercus × sargentii
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Rooted in history.

The Arnold Arboretum sits on land long inhabited by Indigenous Peoples, most recently the Massachusett Tribe, and on property purchased with wealth from goods produced by enslaved persons.

Free and open every day.

We are committed to the Olmstedian principle that everyone is entitled to open space, so our gates are open to everyone, every day, free of charge.

Funded by our community.

The Arnold Arboretum has been funded by the generosity of the supporting public since our founding in 1872. Give today and continue that legacy.

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