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Weed of the Week: Coffee Senna

Coffee senna is a troublesome pasture weed that is toxic to livestock. Photo credit: Doug Mayo

Coffee Senna is not only an issue for livestock producers, as seeds are toxic when consumed, it also causes issues for cotton and peanut farmers in the southern states. The scientific name Senna occidentalis comes from Arabic and Latin roots, with Senna meaning “these plants” and occidentalis meaning “western,” in reference to its origin. While closely related to Sicklepod, Coffee Senna does not respond the same to many of the herbicides used for Sicklepod control in row crop production, making it challenging to control.

 

For help to identify weeds or to develop a control plan for your operation, please contact your county extension agent. 

For more information on this topic please see the following UF/IFAS Publication:

Weed Management in Pastures and Rangeland—2017