CFAES Give Today
OSU Extension

College of Food, Agricultural, and Environmental Sciences


Palmer Amaranth seed heads in soybean field

Example of petiole longer than leaf blade

Long petiole on plant

Palmer Amaranth female plant

Petiole longer than leaf blade

Palmer Amaranth infestation in soybean field

Hairs on leaf tips


Click on the following link for a Purdue publication with more information about Palmer amaranth:

Palmer Amaranth Biology, Identification and Management

More information about Palmer Amaranth is also available on the OSU Extension Weed Management web site at:

August 2016: Mark Loux Summary of conversation with Larry Steckel, weed specialist at the University of Tennesee regarding palmer amaranth control strategies:

Palmer Amaranth Control Strategies, University of TN phone conversation