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The Arboretum’s long-running Winter Enrichment series offers lectures for naturalists in the greater Madison area as well as for volunteers, friends, and community members.

Advance registration is recommended for this popular program. Walk-ins will not be accepted if a program fills by the registration deadline.

Updated registration form this year—register for lectures on one form. Note: Seven or more lectures are $70 only if registered together. We cannot bundle or give credits for separate registrations. 

2020 Winter Enrichment registration is now open.

2020 Winter Enrichment Lectures

The 2020 series begins January 9 and continues through March 12. Lectures are held in the Arboretum Visitor Center auditorium. Lectures are $10 each and advance registration is strongly recommended. Bring your own reusable mug for coffee, which will be available starting at 8:30. Programs will begin promptly at 9.

January 9, UW–Madison Arboretum Bluebird Trail. Sylvia Marek, Arboretum naturalist, and Jessica Ross, Arboretum citizen science coordinator. Register by January 6.

January 16, How Winter and Invasive Plants Modify Small Mammal Behavior in Wisconsin Forests. John Orrock, professor, Department of Integrative Biology, UW–Madison. Register by January 13.

January 23, Citizen Science at the Arboretum. Jessica Ross, citizen science coordinator, UW–Madison Arboretum. Register by January 20.

January 30, The Tallgrass Prairie—A Conversation. Cindy Crosby, author, instructor, and interpretive trainer on natural history. Full session, registration closed.

February 6, Managing Stormwater for Environmental Health and Community Well-Being. Panelists: Phil Gaebler, water resources engineer, City of Madison; John Reimer, assistant director, Dane County Land and Water Resources Department; Ken Potter, professor, Department of Civil and Environmental Engineering, UW–Madison; Michael Hansen, land care manager, UW–Madison Arboretum; Christal Campbell, Stormwater Education Coordinator, Dane County Land and Water Resources Department. Register by February 3.

February 13Arboretum Research Symposium. Students, faculty, and other researchers will present findings from projects on Arboretum land and in the Lake Wingra watershed. Free, no registration required. Learn more about the Research Symposium»

February 20, Gardening for Hummingbirds. Kathi and Michael Rock, hummingbird enthusiasts. Register by February 17.

February 27, From Military Facility to Green Space—The Transformation of the Badger Army Ammunition Plant. Charlie Luthin, executive director, Sauk Prairie Conservation Alliance. Register by February 24.

March 5, Invasive Jumping Worms: The Impact of a New Soil Invader. Brad Herrick, ecologist, UW–Madison Arboretum. Register by March 2.

CANCELLED – March 12, Fungal Armaments and Warfare: How Battles between Microbes Leads to Drug Discovery. Nancy Keller, professor, Department of Medical Microbiology and Immunology, UW–Madison. Register by March 9.