Events

    Lilac Sunday

    Location: 

    Arnold Arboretum, 125 Arborway, Boston

    Join us for the first Lilac Sunday since 2019! We’ll be celebrating 150 years of Arboretum history and 112 Lilac Sundays.

    Experience the springtime bloom of our renowned collection of nearly 400 lilacs. Visit for tours with Arboretum experts, hands-on children’s programming, and more.

    Learn more.

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    Celebrating a Sesquicentennial: The Founding of the Arnold Arboretum

    Location: 

    Livestreamed or at Weld Hill Research Building, 1300 Centre St., Boston

    The Arnold Arboretum was founded on Friday, March 29, 1872. Exactly 150 years later, we invite you to join Lisa Pearson, Head of the Arboretum Library and Archives, for a special sesquicentennial lecture! Pearson will discuss the earliest benefactors of the Arboretum, the events surrounding the founding of the institution, and the busy first two decades during which the infrastructure and living collections were installed on the grounds.

    This event will also be livestreamed to YouTube. To sign up for the virtual livestream instead,...

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    Astronauts: Women on the Final Frontier

    Location: 

    Center for Astrophysics | Harvard & Smithsonian—Online

    The first person who will set foot on Mars is alive right now. We believe this, but even if we're wrong we know the first crew to arrive there will look nothing like the ones that landed on the Moon fifty years ago.

    Our world has changed for the better, and ASTRONAUTS tells the story of the women who built this better world. The main character and narrator is Mary Cleave, an astronaut you may not have heard of. It's not because so many people have been to space; only a few hundred have! It’s because this graphic novel isn’t about fame. No astronaut you'll ever meet took the...

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