On the Ground: Garlic Mustard Pull at Saugatuck Dunes State Park

Mature garlic mustard when it is flowering. Courtesy of the National Park Service.

Garlic mustard is an invasive plant, which means that it is not naturally found here in Michigan and has invaded the ecosystem. It spreads rapidly and can grow in dense patches, shading native plants and preventing them from growing. This plant is also allelopathic, meaning it sends out chemicals through its root system that kill any surrounding plants, native or not. It can become a big problem if it is not removed and eradicated properly. Garlic mustard is found throughout the state of Michigan, however consistent management can help keep this species in check.

Emily Leslie shows the volunteers a hemlock tree currently being treated for hemlock woolly adelgid.

Volunteers concentrated on a woodland area in Saugatuck Dunes State Park where known pockets of garlic mustard are present. Each volunteer carefully combed the forest floor looking for this invasive plant and properly disposed of it in a trash bag. As with any plant, garlic mustard needs to be pulled at the roots to ensure the entire plant comes out of the ground. Volunteers also enjoyed a brief presentation by Emily Leslie from the Michigan DNR on hemlock woolly adelgid, which is currently present and being treated at Saugatuck Dunes State Park. In total, volunteers directly improved 15 acres of wildlife habitat through this project.

Volunteers work on the side of a dune to find garlic mustard.

Volunteers had fun despite the high winds.

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