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Open every day. Free every day.

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  • How Can We Protect Plants from Future Threats?

    Climate Change, Biodiversity, Botanical Gardens, Botany, Conservation, Curation, Extinction, Living Collections, Plant Exploration, Research
    How Can We Protect Plants from Future Threats?
  • Hybrid tulip tree prevails!

    Education, News
  • Remembering Richard Weaver

    Library and Archives
    Remembering Richard Weaver
  • Black Lives Matter

    Community, Director’s Posts, Environmental Justice
    Black Lives Matter
  • Cycling Improvements at the Arboretum

    News, Sustainability
    Cycling Improvements at the Arboretum
  • Black-capped chickadees, from egg to airborne

    Wildlife
  • Sharing our collections through Google Arts and Culture

    Library and Archives
    Sharing our collections through Google Arts and Culture
  • Preparing For a Drier Future

    Climate Change, Sustainability
    Preparing For a Drier Future
  • Diana Oh’s CLAIRVOYANCE: Tree Planting Installation at the Arboretum

    Events
    Diana Oh’s CLAIRVOYANCE: Tree Planting Installation at the Arboretum
  • Welcome back, bonsai!

    Bonsai
    Welcome back, bonsai!
  • One out of eight plants at the Arboretum threatened with extinction

    Biodiversity, Climate Change, Conservation
    One out of eight plants at the Arboretum threatened with extinction
  • Spectacular Spruce Cones in Spring

    Director’s Posts
  • The Lilacs of the Arnold Arboretum: A Season of Bloom

    Events
    The Lilacs of the Arnold Arboretum: A Season of Bloom
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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.

For over 7,000 years, the land on which the Arnold Arboretum now sits has been inhabited and used by diverse societies and cultures of Indigenous Peoples, including most recently, the Massachusett Tribe. Read about the deep history of the Arboretum landscape.

The Arnold Arboretum acknowledges that benefactor Benjamin Bussey, who bequeathed the land on which the institution now is sited, bought the property with funds amassed from trade in goods produced by enslaved persons. Read about the Arboretum and its entanglement with slavery.

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