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Open every day. Free every day.
Thanks to members and donors.

  • Visit
  • Events
  • Education
  • Plants
  • Research
  • Stories
  • Support
  • About Us
  • Make a Gift
  • Volunteer
  • Arnoldia

Category: Biodiversity

  • Spring Cone Colors at Peak

    Biodiversity, Botany, Director’s Posts, Horticulture, Landscape, Living Collections
    Spring Cone Colors at Peak
  • In Bornean Rainforests: Exploring the Flora

    Arnoldia, Biodiversity, Botany, Feature, Wildlife
    In Bornean Rainforests: Exploring the Flora
  • Botanical Thermometers

    Biodiversity, Director’s Posts, History, Horticulture, Living Collections
    Botanical Thermometers
  • Enhancing Our Urban Ecosystem

    Landscape, Biodiversity, Botanical Gardens, Climate Change, Ecology, Horticulture, Living Collections, Silva
    Enhancing Our Urban Ecosystem
  • The Hybrid Mystique

    Biodiversity, Arnoldia, Climate Change, Evolution, Feature
    The Hybrid Mystique
  • Lacebark Pine Dazzles in Winter

    Biodiversity, Botanical Gardens, Botany, Director’s Posts, History, Landscape, Living Collections
    Lacebark Pine Dazzles in Winter
  • How the Pear Got Its Spots

    Biodiversity, Director’s Posts, Horticulture, Living Collections
    How the Pear Got Its Spots
  • Exploring the Native Range of Kentucky Coffeetree

    Plant Exploration, Arnoldia, Biodiversity
    Exploring the Native Range of Kentucky Coffeetree
  • From Fungi to Forests: The Tale of Tropical Tree Diversity

    Arnoldia, Biodiversity
    From Fungi to Forests: The Tale of Tropical Tree Diversity
  • Armed and Dangerous Plants in the Arnold Arboretum (Part 3)

    Living Collections, Biodiversity, Botany, Director’s Posts, Evolution
    Armed and Dangerous Plants in the Arnold Arboretum (Part 3)
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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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