Dates and times are subject to change by organizers. Please visit the organizers’ website for the latest information.

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  • Clinical Outreach Program: Pelvic floor

    Waltham Senior Center 488 Main Street, Waltham, MA

    Pelvic floor. Learn more here. The Clinical Outreach Program is an initiative of Mass General Brigham (MGB) Sports Medicine in Waltham.

    Free

  • Creating your own herb garden! With Muddy River Herbals

    Waltham Public Library 735 Main St, Waltham, MA, United States

    Join us for a special evening with Jenny Hauf of Muddy River Herbals and learn how to create your own herb garden! Are you longing for a space filled with […]

    Free

  • Waltham Garden Club annual plant sale and seed giveaway

    Elks Lodge parking lot 65 Lexington St, Waltham, MA

    Get your garden started with our favorite flowers and plants! Free seed packets for flowers, veggies and herbs. Please join us and help the club raise money for its various […]

    Free

  • Blood drive at First Parish Church

    First Parish Church 50 Church St, Waltham, MA

    Please join us for a blood drive at First Parish Church on Saturday, May 10, 2025 from 9:00 a.m. to 2:00 p.m. Visit RedCrossBlood.org to schedule an appointment.

  • WFCF annual seedling sale

    Waltham Fields Community Farm 240 Beaver St, Waltham, MA, United States

    Waltham Fields Community Farm's annual seedling sale is a great place to stock up on organically grown vegetable, herb, and flower seedlings for your home garden. Our growing team produces a wonderfully diverse collection and grows according to organic standards. See event details for a list of plants expected to be available. Limited parking at […]

    Free

  • The inaugural NextGen STEMFest

    Charles River Museum of Industry & Innovation 154 Moody Street, Waltham, United States

    A day-long community-focused STEM festival. Let your curiosity wander! Innovation and creativity rule the day. The NextGen STEMFest is an event designed to ignite a passion for science, technology, engineering, […]

    Free

  • Watch City Steampunk Festival

    Waltham Common 610 Main St, Waltham, MA, United States

    The Watch City Steampunk Festival is a free outdoor community festival held in historic Waltham, Massachusetts. We will be back again on the Saturday of Mother's Day weekend in downtown […]

    Free

  • Guided walk along the Charles River

    Landry Park 154 Moody St, Waltham, MA

    Take a break from the Watch City Steampunk Festival with an easy walk along the Charles. We'll learn about the mill and its environs as we trek over the beautiful […]

    Free

  • Waltham Philharmonic Orchestra — 40th Anniversary Celebration Concert

    American Legion Post 156 215 Waverly Oaks Rd, Waltham, MA

    Don't miss out on the musical event of the season! The Waltham Philharmonic Orchestra will present its 40th Anniversary Celebration Concert. This concert will feature a fantastic music program with […]

    $50

  • Initiating Inspiration Book Group: “Being Mortal” by Atul Gawande

    Waltham Public Library 735 Main St, Waltham, MA, United States

    Rabbi Ben will lead this Waltham Public Library book group's discussion on how we can empower those around us, and ourselves, to age with dignity, inspired by Dr. Gawande's work […]

    Free

  • Green Space Blues Jam — online auction

    Waltham Land Trust

    Please participate in the Waltham Land Trust's Green Space Blues Jam online auction May 14 - 18. Money raised will help us continue creating a legacy of land conservation. The […]

    Free