Most events are free, with no registration required, unless otherwise noted.

Outdoor public walks are subject to cancellation due to the following weather conditions: 10 degrees Fahrenheit or less with a wind chill factor; a heat index above 100 degrees Fahrenheit; thunderstorms; or excessively snowy, icy, or muddy conditions.

  • Thursday, February 9

    Synthesizing Knowledge for Decision-Making in a Changing World
    Winter Enrichment Lecture (virtual)

    9 a.m. – 10:30 a.m.

    Rachel Mason (she/her), Research Scientist, Center for Global Discovery and Conservation Science, Arizona State University. Fee: $10. Advance registration is required by February 5.

  • Saturday, February 11

    Ecological Restoration Work Party
    Core Area and Curtis Prairie

    9 a.m. – 12 p.m.

    Volunteer for restoration activities and learn about prairies and savannas. Tools and training provided. Groups welcome with advance notice. Meet at the Visitor Center. Event capacity is limited, please arrive by 9 a.m. More information: (608) 265-5214 or marian.farrior@wisc.edu.

  • Sunday, February 12

    Winter Trees
    Family Nature Program

    1 p.m. – 3 p.m.

    This walk is a fun and fascinating way for families with children elementary age and younger to explore the natural world. Nature walk: 1–2 p.m., nature activities: 2–3 p.m. Adults must attend. Wear sturdy closed-toe shoes. Walks canceled for unsafe weather or trail conditions. Free, no registration required. Meet at the Visitor Center.

  • Sunday, February 12

    Nature Hike

    1 p.m. – 2:30 p.m.

    Learn about the land, plants, animals, fungi, phenology, and ecology. Geared for adults, these longer walks may cover some sloping terrain. Wear sturdy closed-toe shoes. Walks canceled for unsafe weather or trail conditions. Free, no registration required. Meet at the Visitor Center.

  • Thursday, February 16

    At the Confluence: Great Lakes Estuaries in the National Estuarine Research Reserves
    Winter Enrichment Lecture (virtual)

    9 a.m. – 10:30 a.m.

    Deanna Erickson (she/her), Director, Lake Superior National Estuarine Research Reserve, UW–Madison Division of Extension, and Emily Tyner, Director of Freshwater Strategy, University of Wisconsin–Green Bay. Fee: $10. Advance registration is required by February 12.

  • Saturday, February 18

    Ecological Restoration Work Party
    Grady Tract

    9 a.m. – 12 p.m.

    Volunteer for restoration activities and learn about prairies and savannas. Tools and training provided. Groups welcome with advance notice. Meet at Grady Tract parking lot, southeast corner of Seminole Hwy. and W. Beltline Frontage Rd. Event capacity is limited, please arrive by 9 a.m. More information: (608) 265-5214 or marian.farrior@wisc.edu.

  • Sunday, February 19

    Nature Hike

    1 p.m. – 2:30 p.m.

    Learn about the land, plants, animals, fungi, phenology, and ecology. Geared for adults, these longer walks may cover some sloping terrain. Wear sturdy closed-toe shoes. Walks canceled for unsafe weather or trail conditions. Free, no registration required. Meet at the Visitor Center.

  • Thursday, February 23

    Life at the Edge of Sight: A Photographic Exploration of the Microbial World
    Winter Enrichment Lecture (virtual)

    9 a.m. – 10:30 a.m.

    Scott Chimileski (he/him), Research Scientist, Marine Biological Laboratory. Fee: $10. Advance registration is required by February 19.

  • Saturday, February 25

    Ecological Restoration Work Party
    Core Area and Curtis Prairie

    9 a.m. – 12 p.m.

    Volunteer for restoration activities and learn about prairies and savannas. Tools and training provided. Groups welcome with advance notice. Meet at the Visitor Center. Event capacity is limited, please arrive by 9 a.m. More information: (608) 265-5214 or marian.farrior@wisc.edu.

  • Sunday, February 26

    Garden Stroll

    1 p.m. – 2 p.m.

    This gently paced stroll through the gardens is well-suited for a multi-generational outing. Learn about the land, plants, animals, fungi, phenology, and ecology. Wear sturdy closed-toe shoes. Walks canceled for unsafe weather or trail conditions. Routes are wheelchair accessible when weather allows. Free, no registration required. Meet at the Visitor Center.

  • Thursday, March 2

    Arboretum Research Symposium

    9 a.m. – 11:30 a.m.

    Student, faculty, and other researchers will present findings from projects on Arboretum lands and in the Lake Wingra watershed. The research symposium is a free event, no registration required.

  • Saturday, March 4

    Ecological Restoration Work Party
    Wingra Oak Savanna

    9 a.m. – 12 p.m.

    Volunteer for restoration activities and learn about prairies and savannas. Tools and training provided. Groups welcome with advance notice. Meet at Arbor Dr. parking lot, off Monroe St. Event capacity is limited, please arrive by 9 a.m. More information: (608) 265-5214 or marian.farrior@wisc.edu.

  • Saturday, March 4

    Madison Reads Leopold: Voices of a Land Ethic
    Community Event

    1 p.m. – 4 p.m.

    Join us for a community reading of selections from "A Sand County Almanac" by Aldo Leopold and writings by other environmental thinkers. Listeners may come and go throughout the event. Free, no registration required. Meet at the Visitor Center.

  • Sunday, March 5

    In Leopold’s Footsteps
    Nature Hike

    1 p.m. – 2:30 p.m.

    Learn where conservationist Aldo Leopold, the Arboretum’s first research director, conducted famous phenological research from 1935 to 1945 and helped establish restorations of Wisconsin ecosystems. Wear sturdy closed-toe shoes and come seasonally prepared for weather and insects. Walks cancelled for unsafe weather or trail conditions. Free, no registration required. Meet at the Visitor Center.

  • Sunday, March 5

    Family Nature Walk

    1:30 p.m. – 2:30 p.m.

    This walk is a fun, fascinating way for families with children elementary age and younger to explore the natural world. Adults must attend. Wear sturdy closed-toe shoes and come prepared for weather and insects. Walks canceled for unsafe weather or trail conditions. Free, no registration required. Meet at the Visitor Center.

  • Thursday, March 9

    What Do We Know about PFAS in Wisconsin’s Surface Water and Fish?
    Winter Enrichment Lecture (in person)

    9 a.m. – 11:30 a.m.

    Meghan Williams (she/her), Environmental Toxicologist, and Patrick Gorski, PhD (he/him), Emerging Contaminants Research Scientist, Wisconsin Department of Natural Resources. Fee: $10. Advance registration required by March 5.

  • Saturday, March 11

    Ecological Restoration Work Party
    Curtis Prairie and Core Area

    9 a.m. – 12 p.m.

    Volunteer for restoration activities and learn about prairies and savannas. Tools and training provided. Groups welcome with advance notice. Meet at the Visitor Center. Event capacity is limited, please arrive by 9 a.m. More information: (608) 265-5214 or marian.farrior@wisc.edu.

  • Sunday, March 12

    Nature Hike

    1 p.m. – 2:30 p.m.

    Learn about the land, plants, animals, fungi, phenology, and ecology. Geared for adults, these longer walks may cover some sloping terrain. Wear sturdy closed-toe shoes and come prepared for weather and insects. Walks canceled for unsafe weather or trail conditions. Free, no registration required. Meet at the Visitor Center.

  • Thursday, March 16

    Injecting Ash Trees and Other Journeys in Governing, Stewarding, and Caring for Nature
    Winter Enrichment Lecture (in person)

    9 a.m. – 11:30 a.m.

    Adena Rissman, Professor, People Institutions and Ecosystems Lab, Department of Forest and Wildlife Ecology, UW–Madison. Fee: $10. Advance registration is required by March 12.

  • Saturday, March 18

    Ecological Restoration Work Party
    Grady Tract

    9 a.m. – 12 p.m.

    Volunteer for restoration activities and learn about prairies and savannas. Tools and training provided. Groups welcome with advance notice. Meet at Grady Tract parking lot, southeast corner of Seminole Hwy. and W. Beltline Frontage Rd. Event capacity is limited, please arrive by 9 a.m. More information: (608) 265-5214 or marian.farrior@wisc.edu.

  • Saturday, March 18

    Phenology—Keeping Track of Nature
    Class

    1:30 p.m. – 3:30 p.m.

    The March equinox is the perfect time to think about spring unfolding. Phenology—noting the periodic occurrences in the natural world—is both art and science, practiced for millennia across cultures and regions. Learn about different approaches and maybe find your own. Instructor: Kathy Miner, Arboretum naturalist. Indoor class. Fee: $20. Register by March 14. Meet at the Visitor Center.

  • Sunday, March 19

    Nature Hike in the Wingra Oak Savanna

    1 p.m. – 3 p.m.

    Learn about the land, plants, animals, fungi, phenology, and ecology. Geared for adults, these longer walks may cover some sloping terrain. Wear sturdy closed-toe shoes and come prepared for weather and insects. Walks canceled for unsafe weather or trail conditions. Free, no registration required. Meet at Arbor Dr. parking lot, off Monroe St.

  • Sunday, March 19

    Mud Season
    Family Nature Program

    1:30 p.m. – 3:30 p.m.

    This program is a fun, fascinating way for families with children elementary age and younger to explore the natural world. Nature walk: 1:30–2:30 p.m., activities: 2:30–3:30 p.m. Adults must attend. Wear sturdy closed-toe shoes and come prepared for weather and insects. Walks canceled for unsafe weather or trail conditions. Free, no registration required. Meet at the Visitor Center.

  • Monday, March 20

    Spring Equinox
    Night Walk

    6:30 p.m. – 8 p.m.

    Let your eyes adjust to the moonlight, listen to the night sounds, and experience the darkness on this naturalist-led walk. Wear sturdy closed-toe shoes and come prepared for weather and insects. Walks canceled for unsafe weather or trail conditions. Free. Register by March 15: https://arboretum-spring-equinox-night-walk-2023.eventbrite.com. Meet at the Visitor Center.

  • Thursday, March 23

    Dugouts in Wisconsin: More than Four Thousand Years of Canoe Craft
    Winter Enrichment Lecture (in person)

    9 a.m. – 11:30 a.m.

    Sissel Schroeder, Professor, Department of Anthropology, UW–Madison. Fee: $10. Advance registration is required by March 19.

  • Saturday, March 25

    Ecological Restoration Work Party
    Curtis Prairie and Core Area

    9 a.m. – 12 p.m.

    Volunteer for restoration activities and learn about prairies and savannas. Tools and training provided. Groups welcome with advance notice. Meet at the Visitor Center. Event capacity is limited, please arrive by 9 a.m. More information: (608) 265-5214 or marian.farrior@wisc.edu.

  • Saturday, March 25

    Effigy Mounds of Southern Wisconsin
    Class

    1 p.m. – 4 p.m.

    Earthen mounds with conical, linear, and animal shapes were built by Native people in southern Wisconsin. The effigy mound groups at the Arboretum are among the few remaining of hundreds built in our area more than 1,000 years ago. Learn about the mounds, the people who created them, and their environment. Indoor class, with optional outdoor walk if weather permits. Instructor: Paul Borowsky, Arboretum naturalist. Fee: $30. Register by March 21. Meet at the Visitor Center.

  • Sunday, March 26

    Garden Stroll

    1 p.m. – 2 p.m.

    This gently paced stroll through the gardens is well-suited for a multi-generational outing. Learn about the land, plants, animals, fungi, phenology, and ecology. Wear sturdy closed-toe shoes and come prepared for weather and insects. Walks cancelled for unsafe weather or trail conditions. Routes are wheelchair accessible when weather allows. Free, no registration required. Meet at the Visitor Center.

  • Thursday, March 30

    Global Approaches to Sustainable Development
    Winter Enrichment Lecture (in person)

    9 a.m. – 11:30 a.m.

    Alberto Vargas (he/him), Associate Director, Latin American, Caribbean, and Iberian Studies, UW–Madison. Fee: $10. Advance registration is required by March 26.