DeKalb in DeKalb County, Illinois — The American Midwest (Great Lakes)
The Winged Ear Logo
In 1998 Monsanto purchased DeKalb Genetics Corporation and now proudly owns the DeKalb® brand and the winged ear logo that represents it. Today the DeKalb® brand and the winged ear logo are legally registered as trademarks of Monsanto in more than 80 countries worldwide.
Erected 2015 by DeKalb Area Agricultural Heritage Association, Inc. • The Illinois State Historical Society.
Topics and series. This historical marker is listed in these topic lists: Agriculture • Communications • Industry & Commerce. In addition, it is included in the Illinois State Historical Society series list. A significant historical date for this entry is August 25, 1936.
Location. 41° 55.796′ N, 88° 44.979′ W. Marker is in DeKalb, Illinois, in DeKalb County. It is on North 4th Street north of Lincoln Highway (Illinois Route 38), on the right when traveling north. Touch for map. Marker is at or near this postal address: 100 N 4th St, Dekalb IL 60115, United States of America. Touch for directions.
Regionally, this marker is in Northern Illinois. It is also in the American Midwest and in the Corn Belt. Globally, it is in North America, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it finds itself in what was once the territory of the Mississippian Culture and also the Northwest Territory.
Other nearby markers. At least 8 other markers are within walking distance of this marker: Jacob Haish (about 700 feet away, measured in a direct line); DeKalb Veterans Memorial Mural (about 800 feet away); City of DeKalb Sesquicentennial (about 800 feet away); Egyptian Theatre (approx. 0.2 miles away); DeKalb War Memorial (approx. ¼ mile away); City of DeKalb Veterans Memorial (approx. ¼ mile away); DeKalb World War I Memorial (approx. ¼ mile away); Ellwood House (approx. 0.4 miles away). Touch for a list and map of all markers in DeKalb.
Regarding The Winged Ear Logo. Bayer AG has owned the hybrid corn seed concern since 2017, when Bayer and Monsato merged.
Also see . . . DeKalb Genetics Corporation History. It was not until 1932 that the first cross-breeding of corn was tested by the [DeKalb County Agricultural] Association. The

Harold R Koltz; uploaded to Flickr by waynemegaman (CC BY-NC-SA 2.0)
3. DeKalb Hybrid Research Plot
One of 700-plus plots were DeKalb developed and researched hybrid corn varieties. The winged ear logo is visible on top of the sign.
Credits. This page was last revised on September 16, 2026. It was originally submitted on August 16, 2023, by Duane and Tracy Marsteller of Murfreesboro, Tennessee. This page has been viewed 848 times since then and 137 times this year. Photos: 1, 2, 3. submitted on August 16, 2023, by Duane and Tracy Marsteller of Murfreesboro, Tennessee. 4. submitted on September 11, 2026, by Matthew Stevens of Washington, Illinois.


