Mexican Prickly Poppy: Biology and Control

Release Date: 10/11/2020

Reviewed At: 9/24/2026

DOI: 10.32473/EDIS-ag311-2008

Abstract

Mexican prickly poppy (Argemone mexicana), also known as goatweed, Mexican thistle, prickly poppy, and yellow thistle, is a member of the poppy family. It is an annual or biennial plant that is found east of the Rocky Mountains, Hawaii, and Puerto Rico. In Florida, it is typically recognized as 'some type of thistle' until it flowers.

About this Publication

This document is SS AGR 304, one of a series of the UF/IFAS Department of Agronomy. Original publication date May 2008. Revised February 2014 and April 2017. Visit the Ask IFAS website at https://ask.ifas.ufl.edu/ for the currently supported version of this publication.

How to Cite

Sellers, B. (2008). Mexican Prickly Poppy: Biology and Control. EDIS, 2008(5). https://doi.org/10.32473/edis-ag311-2008

Authors

Brent Sellers

Contact

Specialist

University of Florida

center director and professor, Department of Agronomy, UF/IFAS Range Cattle Research and Education Center, Ona, FL

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Publication #SS AGR 304

Disclaimers

The use of trade names in this publication is solely for the purpose of providing specific information. UF/IFAS does not guarantee or warranty the products named, and references to them in this publication do not signify our approval to the exclusion of other products of suitable composition.

All chemicals should be used in accordance with directions on the manufacturer's label.