Spiny Amaranth (Amaranthus spinosus)

Other Names: Pigweed

Life Cycle:  Summer annual

Description:  Spiny amaranth is the most common of the pigweeds found in Kentucky's pastures.  It can be distinguished from other pigweeds by the pair of spines at the base of the leaf petiole and the central stem. 

Additional photos

Herbicide Options: Response of Pasture Weeds to Herbicides and Mowing - AGR 207