Mentor in Lake County, Ohio — The American Midwest (Great Lakes)
Restoring the Marsh
The Mentor Marsh's recovery story began when the Cleveland Museum of Natural History sought assistance to fight the vast monoculture of invasive common reed grass, Phragmites australis.
Since then, partnerships have been formed between the Cleveland Museum of Natural History, the City of Mentor, Lake County Soil and Water Conservation District, the Ohio Department of Natural Resources, The Nature Conservancy, and a network of additional grant funders and individuals.
With funding and partners in line, the museum, as the marsh's management custodian, started large-scale restoration in 2012. Restoration efforts began with helicopter spraying of large stands of phragmites, followed by small-scale treatments targeting remaining phragmites and other invasive plants such as, purple loosestrife, narrow-leaf and hybrid cattail, yellow iris, and reed canary grass. Amphibious vehicles mashed down standing stalks, allowing sunlight to reach the soil and providing native plants with space to rise from the seedbank.
Aiming to further boost native plant growth, seeds were dispersed, plant plugs were installed, and tree and shrub live stakes were planted. Gradually, native plants like greater bur-reed, blue vervain, swamp loosestrife, swamp rose mallow hibiscus, and wild rice took hold, providing habitat for a variety of animal life.
Ensuring the long-lasting success of native plants, salt mine tailings were removed from the salt-fill site in 2022. With greatly reduced salt leaching and ongoing invasive plant treatments, Mentor Marsh will continue to recover as the species-rich wetland it once was before disaster struck.
Erected by City of Mentor; Ohio Department of Natural Resources; National Oceanic and Atmospheric Administration, U.S. Department of Commerce; Ohio Coastal Management Program; Cleveland Museum of Natural History; Chagrin River Watershed Partners; Marsh Area Regional Coalition; Lake Soil & Water Conservation District; City of Mentor Natural Resources; Blackbrook Audubon Society.
Topics. This historical marker is listed in these topic lists: Environment • Natural Features • Parks & Recreational Areas. A significant historical year for this entry is 2012.
Location. 41° 43.62′ N, 81° 20.232′ W. Marker is in Mentor, Ohio, in Lake County. It is at the intersection of Harbor Drive and Mentor Marina, on the right when traveling north on Harbor Drive. Touch for map. Marker is at or near this postal address: 8365 Harbor Dr, Mentor OH 44060, United States of America. Touch for directions.
Regionally, this marker is in Greater Cleveland, on the Lake Erie Shore, and in the Western Reserve. It is also in the American Midwest and on the Great Lakes. Globally, it is in North America, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it finds itself in what was once the Haudenosaunee (Iroquois) Confederacy, the territory of the Mississippian Culture, and the Northwest Territory.
Other nearby markers. At least 8 other markers are within walking distance of this marker: When Disaster Strikes (a few steps from this marker); Habitat for Many (within shouting distance of this marker); Chimney Swift (within shouting distance of this marker); Mentor Marsh (about 300 feet away, measured in a direct line); Mentor Lagoons Nature Preserve (about 300 feet away); a different marker also named Mentor Lagoons Nature Preserve (about 600 feet away); Mentor Lagoons (about 600 feet away); Marsh Settlement (about 600 feet away). Touch for a list and map of all markers in Mentor.
Credits. This page was last revised on May 29, 2026. It was originally submitted on May 21, 2026, by Craig Doda of Napoleon, Ohio. This page has been viewed 10 times since then. Photos: 1, 2. submitted on May 21, 2026, by Craig Doda of Napoleon, Ohio. • Devry Becker Jones was the editor who published this page.

