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Mid-Florida Research & Education Center

Mid-Florida Research & Education Center

Argemone mexicana

Mexican pricklypoppy (Argemone mexicana) is a native Florida landscape weed. Young plants are often mistaken for thistles due to their prickly and toothed leaves. When broken, plants exude a yellowish-milky sap. 

  • Scientific Name: Argemone mexicana 
  • Common Name: Mexican pricklypoppy; Goatweed; Mexican thistle; Yellow Thistle; Prickly Poppy 
  • Seasonality: Warm
  • Soil Type: Dry
  • Toxicity: Toxic to livestock, people, and pets
  • Plant Habitat: Annual
  • Mexican Prickly Poppy: Biology and Control

Photos of Argemone Mexicana